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Full vulnerability report · 2026
CVE-2026-50659High confidence

.NET Spoofing Vulnerability

Microsoft · .NET 10.0

6.5MediumCVSS 3.1
Recommended action
Scheduled

Medium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.

Patch available
R
Operational reassessment

Published severity in operational context

Open reassessment dashboard →
Published severityMediumOperational priority:Medium, unchanged from published severity.unchanged

Evidence used

  • No CISA KEV confirmation is currently recorded.
  • EPSS is 0.74% for the current model date.

Compensating controls

  • Validate the affected product branch and deploy the verified fixed release.
  • Restrict the affected network interface to trusted sources where business-safe.
  • Monitor vendor guidance and exploitation sources for a material change.

Verification

  1. Confirm that the asset runs Microsoft .NET 10.0 and falls inside the recorded affected range.
  2. Verify the installed build against the product-specific fixed version after deployment.
  3. Validate exposure, authentication requirements and compensating controls in the actual environment.
  4. Reopen this reassessment when CVSS, KEV, EPSS, exploit evidence or remediation changes.
Mitigation target: As exposure requiresRemediation target: Within 365 days

This automated reassessment organises public evidence. It does not know asset exposure, business impact or control effectiveness and does not replace CVSS or a human risk decision.

Distribution package intelligence

Release-specific package status

Alpine, ubuntu findings are scoped to the named distribution, release and source package. An absent finding does not mean a package is unaffected.

7 package states
Repository candidate not checked

A published vendor fix does not prove that a matching update is enabled and installable on a particular asset. Confirm the local package candidate before scheduling remediation.

Distribution releaseSource packageVendor stateFixed versionEvidence
Alpine v3.23v3.23 · communitydotnet10-runtimeVendor fix publishedAlpine records a security fix at this version. An absent entry does not mean the package is unaffected.10.0.10-r0Alpine Security Database ↗Source updated 11 Sep 2026
Alpine v3.23v3.23 · communitydotnet8-runtimeVendor fix publishedAlpine records a security fix at this version. An absent entry does not mean the package is unaffected.8.0.29-r0Alpine Security Database ↗Source updated 11 Sep 2026
Alpine v3.23v3.23 · communitydotnet9-runtimeVendor fix publishedAlpine records a security fix at this version. An absent entry does not mean the package is unaffected.9.0.18-r0Alpine Security Database ↗Source updated 11 Sep 2026
Alpine v3.22v3.22 · communitydotnet8-runtimeVendor fix publishedAlpine records a security fix at this version. An absent entry does not mean the package is unaffected.8.0.29-r0Alpine Security Database ↗Source updated 11 Sep 2026
Alpine v3.22v3.22 · communitydotnet9-runtimeVendor fix publishedAlpine records a security fix at this version. An absent entry does not mean the package is unaffected.9.0.18-r0Alpine Security Database ↗Source updated 11 Sep 2026
Ubuntu 24.04 LTSnoble · standard archivedotnet10Vendor fix publishedCanonical reports that a fixed source package version has been published. Repository candidate availability is not checked by BlackTree.10.0.110-10.0.10-0ubuntu1~24.04.1Canonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivedotnet8Vendor fix publishedCanonical reports that a fixed source package version has been published. Repository candidate availability is not checked by BlackTree.8.0.129-8.0.29-0ubuntu1~24.04.1Canonical Ubuntu Security ↗Source updated 5 Oct 2026
Open-source package ranges72 source-attributed ranges

These OSV and GitHub advisory ranges apply only to the named package and ecosystem. A listed fixed version is not a universal product patch or proof that an update is installed.

Ecosystem and packageAffected rangeFirst fixed versionEvidence
NuGetMicrosoft.NetCore.App.Runtime.linux-armECOSYSTEM: introduced 10.0.0; fixed 10.0.1010.0.10OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.linux-armECOSYSTEM: introduced 9.0.0; fixed 9.0.189.0.18OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.linux-armECOSYSTEM: introduced 8.0.0; fixed 8.0.298.0.29OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.linux-arm64ECOSYSTEM: introduced 10.0.0; fixed 10.0.1010.0.10OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.linux-arm64ECOSYSTEM: introduced 9.0.0; fixed 9.0.189.0.18OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.linux-arm64ECOSYSTEM: introduced 8.0.0; fixed 8.0.298.0.29OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.linux-musl-armECOSYSTEM: introduced 10.0.0; fixed 10.0.1010.0.10OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.linux-musl-armECOSYSTEM: introduced 9.0.0; fixed 9.0.189.0.18OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.linux-musl-armECOSYSTEM: introduced 8.0.0; fixed 8.0.298.0.29OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.linux-musl-arm64ECOSYSTEM: introduced 10.0.0; fixed 10.0.1010.0.10OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.linux-musl-arm64ECOSYSTEM: introduced 9.0.0; fixed 9.0.189.0.18OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.linux-musl-arm64ECOSYSTEM: introduced 8.0.0; fixed 8.0.298.0.29OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.linux-musl-x64ECOSYSTEM: introduced 10.0.0; fixed 10.0.1010.0.10OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.linux-musl-x64ECOSYSTEM: introduced 9.0.0; fixed 9.0.189.0.18OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.linux-musl-x64ECOSYSTEM: introduced 8.0.0; fixed 8.0.298.0.29OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.linux-x64ECOSYSTEM: introduced 10.0.0; fixed 10.0.1010.0.10OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.linux-x64ECOSYSTEM: introduced 9.0.0; fixed 9.0.189.0.18OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.linux-x64ECOSYSTEM: introduced 8.0.0; fixed 8.0.298.0.29OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.osx-arm64ECOSYSTEM: introduced 10.0.0; fixed 10.0.1010.0.10OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.osx-arm64ECOSYSTEM: introduced 9.0.0; fixed 9.0.189.0.18OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.osx-arm64ECOSYSTEM: introduced 8.0.0; fixed 8.0.298.0.29OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.osx-x64ECOSYSTEM: introduced 10.0.0; fixed 10.0.1010.0.10OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.osx-x64ECOSYSTEM: introduced 9.0.0; fixed 9.0.189.0.18OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.osx-x64ECOSYSTEM: introduced 8.0.0; fixed 8.0.298.0.29OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.win-armECOSYSTEM: introduced 10.0.0; fixed 10.0.1010.0.10OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.win-armECOSYSTEM: introduced 9.0.0; fixed 9.0.189.0.18OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.win-armECOSYSTEM: introduced 8.0.0; fixed 8.0.298.0.29OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.win-arm64ECOSYSTEM: introduced 10.0.0; fixed 10.0.1010.0.10OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.win-arm64ECOSYSTEM: introduced 9.0.0; fixed 9.0.189.0.18OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.win-arm64ECOSYSTEM: introduced 8.0.0; fixed 8.0.298.0.29OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.win-x64ECOSYSTEM: introduced 10.0.0; fixed 10.0.1010.0.10OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.win-x64ECOSYSTEM: introduced 9.0.0; fixed 9.0.189.0.18OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.win-x64ECOSYSTEM: introduced 8.0.0; fixed 8.0.298.0.29OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.win-x86ECOSYSTEM: introduced 10.0.0; fixed 10.0.1010.0.10OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.win-x86ECOSYSTEM: introduced 9.0.0; fixed 9.0.189.0.18OSV record ↗aggregator derived · 10 Sep 2026
NuGetMicrosoft.NetCore.App.Runtime.win-x86ECOSYSTEM: introduced 8.0.0; fixed 8.0.298.0.29OSV record ↗aggregator derived · 10 Sep 2026
nugetMicrosoft.NetCore.App.Runtime.linux-arm>= 10.0.0, <= 10.0.910.0.10GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.linux-arm>= 9.0.0, <= 9.0.179.0.18GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.linux-arm>= 8.0.0, <= 8.0.288.0.29GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.linux-arm64>= 10.0.0, <= 10.0.910.0.10GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.linux-arm64>= 9.0.0, <= 9.0.179.0.18GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.linux-arm64>= 8.0.0, <= 8.0.288.0.29GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.linux-musl-arm>= 10.0.0, <= 10.0.910.0.10GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.linux-musl-arm>= 9.0.0, <= 9.0.179.0.18GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.linux-musl-arm>= 8.0.0, <= 8.0.288.0.29GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.linux-musl-arm64>= 10.0.0, <= 10.0.910.0.10GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.linux-musl-arm64>= 9.0.0, <= 9.0.179.0.18GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.linux-musl-arm64>= 8.0.0, <= 8.0.288.0.29GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.linux-musl-x64>= 10.0.0, <= 10.0.910.0.10GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.linux-musl-x64>= 9.0.0, <= 9.0.179.0.18GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.linux-musl-x64>= 8.0.0, <= 8.0.288.0.29GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.linux-x64>= 10.0.0, <= 10.0.910.0.10GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.linux-x64>= 9.0.0, <= 9.0.179.0.18GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.linux-x64>= 8.0.0, <= 8.0.288.0.29GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.osx-arm64>= 10.0.0, <= 10.0.910.0.10GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.osx-arm64>= 9.0.0, <= 9.0.179.0.18GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.osx-arm64>= 8.0.0, <= 8.0.288.0.29GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.osx-x64>= 10.0.0, <= 10.0.910.0.10GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.osx-x64>= 9.0.0, <= 9.0.179.0.18GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.osx-x64>= 8.0.0, <= 8.0.288.0.29GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.win-arm>= 10.0.0, <= 10.0.910.0.10GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.win-arm>= 9.0.0, <= 9.0.179.0.18GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.win-arm>= 8.0.0, <= 8.0.288.0.29GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.win-arm64>= 10.0.0, <= 10.0.910.0.10GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.win-arm64>= 9.0.0, <= 9.0.179.0.18GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.win-arm64>= 8.0.0, <= 8.0.288.0.29GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.win-x64>= 10.0.0, <= 10.0.910.0.10GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.win-x64>= 9.0.0, <= 9.0.179.0.18GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.win-x64>= 8.0.0, <= 8.0.288.0.29GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.win-x86>= 10.0.0, <= 10.0.910.0.10GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.win-x86>= 9.0.0, <= 9.0.179.0.18GitHub advisory ↗upstream repository advisory · 20 Jul 2026
nugetMicrosoft.NetCore.App.Runtime.win-x86>= 8.0.0, <= 8.0.288.0.29GitHub advisory ↗upstream repository advisory · 20 Jul 2026
Direct vendor intelligence

Authoritative vendor CSAF and VEX advisories

Structured product status and remediation from the issuing vendor. Product-state explanations are always visible; large lists can be searched or downloaded.

1 current
CVE-2026-50659 · CSAF 2.0 · revision 3 · finalRed Hat Product Security.NET: .NET: Network Spoofing Vulnerability
1,443 fixed

The vendor explicitly identifies these products or versions as containing the fix.

  • aspnetcore-runtime-8.0-0:8.0.30-1.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • aspnetcore-runtime-8.0-0:8.0.30-1.el10_0.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • aspnetcore-runtime-8.0-0:8.0.30-1.el10_0.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • aspnetcore-runtime-8.0-0:8.0.30-1.el10_0.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • aspnetcore-runtime-9.0-0:9.0.19-1.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • aspnetcore-runtime-9.0-0:9.0.19-1.el10_0.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • aspnetcore-runtime-9.0-0:9.0.19-1.el10_0.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • aspnetcore-runtime-9.0-0:9.0.19-1.el10_0.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • aspnetcore-runtime-dbg-8.0-0:8.0.30-1.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • aspnetcore-runtime-dbg-8.0-0:8.0.30-1.el10_0.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • aspnetcore-runtime-dbg-8.0-0:8.0.30-1.el10_0.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • aspnetcore-runtime-dbg-8.0-0:8.0.30-1.el10_0.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
Summary
A flaw was found in .NET. An authorized attacker can exploit this vulnerability by leveraging improper encoding or escaping of output. This allows the attacker to perform spoofing over a network, potentially deceiving users or systems into believing they are interacting with a trusted entity.
Remediation
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
Optional official sources

National CERT insights
?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

Choose official national sources for this report. Each advisory shows its original language. Your selection is remembered on this device and included in shared links.

Official European source

ENISA European Vulnerability Database

Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.

1 current
ENISA EUVD identifier

EUVD-2026-44407

No EUVD known-exploited evidence

Improper encoding or escaping of output in .NET allows an authorized attacker to perform spoofing over a network.

EUVD state
Present in the current official mapping
Known exploitation
Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score
6.5 · CVSS 3.1
Advisory evidence
No linked advisory details stored yet
Recommended actionScheduled

Medium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.

Patch available
01

What, why and how

Improper encoding or escaping of output in .NET allows an authorized attacker to perform spoofing over a network.

What

Improper encoding or escaping of output in .NET allows an authorized attacker to perform spoofing over a network.

Why

The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.

How

An attacker operating through a network path may attempt exploitation with low privileges. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

What

Improper encoding or escaping of output in .NET allows an authorized attacker to perform spoofing over a network.

Why

The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.

How

An attacker operating through a network path may attempt exploitation with low privileges. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

02

Exploit reality and attack path

CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.

Observed exploitation
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
None recorded

No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.

Likely attack path
a network path → Improper Encoding or Escaping of Output → cause the confidentiality, integrity or availability impact described by the vendor
Attack surface
Network
Privileges required
Low: a basic authenticated account is required
User interaction
None
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Unchanged: impact remains within the vulnerable component's security authority
Weakness
?CWE means Common Weakness Enumeration: a standard category for the underlying weakness.
CWE-116 ↗

CWE-116: Improper Encoding or Escaping of Output. The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.

CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C

Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.

AVNetworkAttack vector: The vulnerable component can be reached over a network.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRLowPrivileges required: The attacker needs basic user-level privileges.UINoneUser interaction: No action by another user is required.SUnchangedScope: The security impact remains within the vulnerable component's authority.CNoneConfidentiality impact: No direct loss is represented by this metric.IHighIntegrity impact: A successful attack can cause a major loss.ANoneAvailability impact: No direct loss is represented by this metric.
Post-exploitation / living off the land
No specific living-off-the-land technique is confirmed in the structured sources. Monitor normal administration tools for activity inconsistent with the affected service's baseline.
NetworkCWE-116
A

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

ENISA EUVD · EUVD-2026-44407Official EUVD mapping

Improper encoding or escaping of output in .NET allows an authorized attacker to perform spoofing over a network.

Official EUVD record ↗
BSI · German · WID-SEC-2026-2324Microsoft DeveloperTools: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Microsoft Visual Studio Code, .NET Framework, Microsoft .NET, Visual Studio 2022 und Visual Studio 2026 ausnutzen, um erweiterte Berechtigungen, einschließlich Administratorrechte, zu erlangen, beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren oder offenzulegen, einen Denial-of-Service-Zustand auszulösen oder Spoofing-Angriffe durchzuführen.

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0872Multiples vulnérabilités dans les produits Microsoft

CVE-2026-50526 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-50527 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-50528 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-50646 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-50648 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-50649 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-50650 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-50651 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-50657 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-50658 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-50659 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-50663 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-54108 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-54116 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-54117 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-54118 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-54118 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55002 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55005 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55006 du 14 juillet 2026 Bulletin de sécurité Microsoft CVE-2026-55008

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0870Multiples vulnérabilités dans Microsoft .Net

De multiples vulnérabilités ont été découvertes dans Microsoft .Net. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, une élévation de privilèges et un déni de service à distance.

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0869Multiples vulnérabilités dans Microsoft Windows

6-50527 du 14 juillet 2026 Bulletin de sécurité Microsoft Windows CVE-2026-50528 du 14 juillet 2026 Bulletin de sécurité Microsoft Windows CVE-2026-50646 du 14 juillet 2026 Bulletin de sécurité Microsoft Windows CVE-2026-50647 du 14 juillet 2026 Bulletin de sécurité Microsoft Windows CVE-2026-50648 du 14 juillet 2026 Bulletin de sécurité Microsoft Windows CVE-2026-50649 du 14 juillet 2026 Bulletin de sécurité Microsoft Windows CVE-2026-50650 du 14 juillet 2026 Bulletin de sécurité Microsoft Windows CVE-2026-50651 du 14 juillet 2026 Bulletin de sécurité Microsoft Windows CVE-2026-50655 du 14 juillet 2026 Bulletin de sécurité Microsoft Windows CVE-2026-50659 du 14 juillet 2026 Bulletin de sécurité Microsoft Windows CVE-2026-50661 du 14 juillet 2026 Bulletin de sécurité Microsoft Windows CVE-2026-50666 du 14 juillet 2026 Bulletin de sécurité Microsoft Windows CVE-2026-50667 du 14 juillet 2026 Bulletin de sécurité Microsoft Windows CVE-2026-50668 du 14 juillet 2026 Bulletin de sécurité Microsoft Windows CVE-2026-50669 du 14 juillet 2026 Bulletin de sécurité Microsoft Windows CVE-2026-50670 du 14 juillet 2026 Bulletin de sécurité Microsoft Windows CVE-2026-50672 du 14 juillet 2026 Bulletin de sécurité Microsoft Windows CVE-2026-50673 du 14 juillet 2026 Bulletin de sécurité Microsoft Windows CVE-202

Official advisory ↗
CSIRT Italia · Italian · aggiornamenti-mensili-microsoft-22Aggiornamenti Mensili Microsoft

finestra - - CVE-2026-50677 : apre una nuova finestra - - CVE-2026-50676 : apre una nuova finestra - - CVE-2026-50675 : apre una nuova finestra - - CVE-2026-50674 : apre una nuova finestra - - CVE-2026-50673 : apre una nuova finestra - - CVE-2026-50672 : apre una nuova finestra - - CVE-2026-50670 : apre una nuova finestra - - CVE-2026-50669 : apre una nuova finestra - - CVE-2026-50668 : apre una nuova finestra - - CVE-2026-50667 : apre una nuova finestra - - CVE-2026-50666 : apre una nuova finestra - - CVE-2026-50665 : apre una nuova finestra - - CVE-2026-50663 : apre una nuova finestra - - CVE-2026-50661 : apre una nuova finestra Presente - CVE-2026-50659 : apre una nuova finestra - - CVE-2026-50658 : apre una nuova finestra - - CVE-2026-50657 : apre una nuova finestra - - CVE-2026-50655 : apre una nuova finestra - - CVE-2026-50653 : apre una nuova finestra - - CVE-2026-50652 : apre una nuova finestra - - CVE-2026-50651 : apre una nuova finestra - - CVE-2026-50650 : apre una nuova finestra - - CVE-2026-50649 : apre una nuova finestra - - CVE-2026-50648 : apre una nuova finestra - - CVE-2026-50647 : apre una nuova finestra - - CVE-2026-50646 : apre una nuova finestra - - CVE-2026-50528 : apre una nuova finestra - - CVE-2026-50527 : apre una nuova finestra - - CVE-2026-50526 : apre una nuova fi

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2026-025296マイクロソフトの.NET等の複数製品におけるエンコードおよびエスケープに関する脆弱性

.NETにおける出力の不適切なエンコードまたはエスケープによって、認可された攻撃者がネットワーク上でなりすましを行うことが可能になります。

Official advisory ↗
KISA KrCERT/CC · Korean · KNVD-6882MS 7월 보안 위협에 따른 정기 보안 업데이트 권고

| Windows USB Print Driver | CVE-2026-50674 | Windows USB 인쇄 드라이버 권한 상승 취약성 | | Windows Kernel | CVE-2026-50673 | Windows 커널 권한 상승 취약성 | | Windows NTFS | CVE-2026-50672 | Windows NTFS 권한 상승 취약성 | | Windows Kernel | CVE-2026-50670 | Windows Win32k 권한 상승 취약성 | | Windows Telephony Service | CVE-2026-50669 | Windows 전화 통신 서버 권한 상승 취약성 | | Windows NTFS | CVE-2026-50668 | Windows ReFS(복원 파일 시스템) 권한 상승 취약성 | | Windows NTFS | CVE-2026-50667 | Windows 공용 로그 파일 시스템 드라이버 권한 상승 취약성 | | Windows Remote Access Connection Manager | CVE-2026-50666 | Windows 원격 액세스 권한 상승 취약성 | | Windows BitLocker | CVE-2026-50661 | Windows BitLocker 보안 기능 바이패스 취약성 | | .NET | CVE-2026-50659 | .NET 스푸핑 취약성 | | Microsoft Defender | CVE-2026-50658 | Mac 엔드포인트용 Microsoft Defender 권한 상승 취약성 | | Microsoft Defender | CVE-2026-50657 | Mac용 엔드포인트용 Microsoft Defender 정보 공개 취약성 | | Windows Media | CVE-2026-50655 | Windows 미디어 파운데이션 원격 코드 실행 취약성 | | .NET | CVE-2026-50651 | .NET 서비스 거부 취약성 | | .NET Framework | CVE-2026-50650 | .NET Framework 권한 상승 취약성 | | .NET | CVE-2026-50649 | .NET 원격 코드 실행 취약성 | | .NET Framework | CVE-2026-50648 | .NET Framework 서비스 거부 취약성 | | Active Directory Federation Services (AD FS) | CVE-2026-50647 | Active Directory 페더레이션 서버 서비스 거부 취약성 | | .NET Framework | CVE-2026-50646 | .NET Framework 원격 코드 실행 취약성 | | .NET | CV

Official advisory ↗
NCSC-NL · Dutch · NCSC-2026-0235Kwetsbaarheden verholpen in Microsoft Developer Tools

Een kwaadwillende kan de kwetsbaarheden misbruiken om aanvallen uit te voeren die kunnen leiden tot schade uit de categorieën zoals genoemd in bijgevoegde tabel. Voor succesvol misbruik moet de kwaadwillende het slachtoffer misleiden een malafide bronbestand te openen en verwerken in de ontwikkelomgeving. ``` Visual Studio: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-47305 | 7.80 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| GitHub Copilot and Visual Studio Code: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-47282 | 6.50 | Toegang tot gevoelige gegevens | |----------------|------|-------------------------------------| Visual Studio Code: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-45496 | 5.50 | Omzeilen van beveiligingsmaatregel | | CVE-2026-50520 | 8.40 | Uitvoeren van willekeurige code | | CVE-2026-57101 | 7.10 | Omzeilen van beveiligingsmaatregel | | CVE-2026-57102 | 8.80 | Omzeilen van beveiligingsmaatregel | |----------------|------|-------------------------------------| .NET Framework: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-50524 | 7.50 | Denial-of-Service | | CVE-2026-50527 | 7.50 | Denial-of-Service | | CVE-2026-50646 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-50648 | 7.50 | Denial-of-Service | | CVE-2026-50650 | 7.80 | Uitvoeren van willekeurige code | |----------------|------|-------------------------------------| ASP.NET Core: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-47300 | 8.80 | Verkrijgen van verhoogde rechten | | CVE-2026-47303 | 8.80 | Verkrijgen van verhoogde rechten | | CVE-2026-50506 | 7.50 | Denial-of-Service | | CVE-2026-56170 | 7.50 | Denial-of-Service | | CVE-2026-45646 | 7.50 | Denial-of-Service | |----------------|------|-------------------------------------| .NET: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-47302 | 7.50 | Denial-of-Service | | CVE-2026-47304 | 8.10 | Omzeilen van beveiligingsmaatregel | | CVE-2026-50525 | 7.50 | Denial-of-Service | | CVE-2026-50526 | 7.00 | Manipulatie van gegevens | | CVE-2026-50528 | 8.20 | Omzeilen van beveiligingsmaatregel | | CVE-2026-50649 | 7.80 | Uitvoeren van willekeurige code | | CVE-2026-50651 | 7.50 | Denial-of-Service | | CVE-2026-50659 | 6.50 | Voordoen als andere gebruiker | |----------------|------|-------------------------------------| .NET Core: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-57108 | 7.50 | Denial-of-Service | |----------------|------|-------------------------------------| GitHub Copilot and Visual Studio: |----------------|------|-------------------------------------| | CVE-ID | CVSS | Impact | |----------------|------|-------------------------------------| | CVE-2026-41109 | 8.80 | Omzeilen van beveiligingsmaatregel | |----------------|------|-------------------------------------| ```

Official advisory ↗
03

Patch and workaround

Operational remediation based on structured source evidence.

Status
?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
Patch available
Affected
Fixed
Action
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
Workaround
No verified workaround is recorded. If business-safe, reduce exposure to the affected interface and allow only trusted sources until authoritative guidance is available.
04

Evidence and provenance

Published 14 Jul 2026 · Last source change 25 Sept 2026, 18:23 UTC · CWE-116 · Improper Encoding or Escaping of Output

CVE recordCVE.org · 5.2
CVSS sourceCNA
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-08-14
European sourceENISA EUVD · EUVD-2026-44407
Product sourceCNA
Remediation sourceVendor CSAF · Red Hat Product Security
CWE sourceOther authority
NVD statusNVD enriched

Core structured fields are present and their contributing authorities are shown above.

Material change intelligence

What changed after publication

View recent updates ↗
  1. Vendor guidanceAuthoritative vendor guidance changed: added remediation: msrc.microsoft.com/CVE-2026-50659; removed remediation: access.redhat.com/CVE-2026-50659.
    Before
    patch: msrc.microsoft.com/CVE-2026-50659 · remediation: access.redhat.com/CVE-2026-50659
    After
    patch: msrc.microsoft.com/CVE-2026-50659 · remediation: msrc.microsoft.com/CVE-2026-50659
    secure@microsoft.com ↗
  2. Affected versionsThe structured affected or fixed version information changed.
    Before
    .NET 10.0: 10.0.0 < 10.0.10; .NET 8.0: 8.0.0 < 8.0.29; .NET 9.0: 9.0.0 < 9.0.18; Microsoft .NET Framework 3.5: 3.5.0 < 2.0.50727.8983 & 3.0.30729.8978; Microsoft .NET Framework 3.5 AND 4.7.2: 4.7.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0; Microsoft .NET Framework 3.5 AND 4.8: 4.8.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0; Microsoft .NET Framework 3.5 AND 4.8.1: 4.8.1 < 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0; Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2: 4.7.0 < 4.7.4143.0; Microsoft .NET Framework 4.8: 4.8.0 < 4.8.4803.0; Microsoft .NET Framework 4.8.1: 4.8.0.0 < 4.8.9340.0; Microsoft Visual Studio 2022 version 17.12: 17.12.0 < 17.12.22; Microsoft Visual Studio 2022 version 17.14: 17.14.0 < 17.14.36; Microsoft Visual Studio 2026 version 18.7: 18.0 < 18.7.4 · Fixed: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
    After
    .NET 10.0: 10.0.0 < 10.0.10; .NET 8.0: 8.0.0 < 8.0.29; .NET 9.0: 9.0.0 < 9.0.18; Microsoft .NET Framework 3.5: 3.5.0 < 2.0.50727.8983 & 3.0.30729.8978; Microsoft .NET Framework 3.5 AND 4.7.2: 4.7.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0; Microsoft .NET Framework 3.5 AND 4.8: 4.8.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0; Microsoft .NET Framework 3.5 AND 4.8.1: 4.8.1 < 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0; Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2: 4.7.0 < 4.7.4143.0; Microsoft .NET Framework 4.8: 4.8.0 < 4.8.4803.0; Microsoft .NET Framework 4.8.1: 4.8.0.0 < 4.8.9340.0; Microsoft Visual Studio 2022 version 17.12: 17.12.0 < 17.12.22; Microsoft Visual Studio 2022 version 17.14: 17.14.0 < 17.14.36; Microsoft Visual Studio 2026 version 18.7: 18.0 < 18.7.4 · Fixed: An authoritative update reference is available, but the fixed version is not recorded in the structured CVE fields. Check the linked vendor advisory for the applicable release.
    CNA ↗
  3. Affected versionsThe structured affected or fixed version information changed.
    Before
    10.0.0 < 10.0.10; 8.0.0 < 8.0.29; 9.0.0 < 9.0.18; 3.5.0 < 2.0.50727.8983 & 3.0.30729.8978; 4.7.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0; 4.8.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0; 4.8.1 < 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0; 4.7.0 < 4.7.4143.0 · Fixed: An authoritative update reference is available, but the fixed version is not recorded in the structured CVE fields. Check the linked vendor advisory for the applicable release.
    After
    .NET 10.0: 10.0.0 < 10.0.10; .NET 8.0: 8.0.0 < 8.0.29; .NET 9.0: 9.0.0 < 9.0.18; Microsoft .NET Framework 3.5: 3.5.0 < 2.0.50727.8983 & 3.0.30729.8978; Microsoft .NET Framework 3.5 AND 4.7.2: 4.7.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0; Microsoft .NET Framework 3.5 AND 4.8: 4.8.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0; Microsoft .NET Framework 3.5 AND 4.8.1: 4.8.1 < 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0; Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2: 4.7.0 < 4.7.4143.0; Microsoft .NET Framework 4.8: 4.8.0 < 4.8.4803.0; Microsoft .NET Framework 4.8.1: 4.8.0.0 < 4.8.9340.0; Microsoft Visual Studio 2022 version 17.12: 17.12.0 < 17.12.22; Microsoft Visual Studio 2022 version 17.14: 17.14.0 < 17.14.36; Microsoft Visual Studio 2026 version 18.7: 18.0 < 18.7.4 · Fixed: An authoritative update reference is available, but the fixed version is not recorded in the structured CVE fields. Check the linked vendor advisory for the applicable release.
    CNA ↗
  4. Affected versionsThe structured affected or fixed version information changed.
    Before
    .NET 10.0: 10.0.0 < 10.0.10; .NET 8.0: 8.0.0 < 8.0.29; .NET 9.0: 9.0.0 < 9.0.18; Microsoft .NET Framework 3.5: 3.5.0 < 2.0.50727.8983 & 3.0.30729.8978; Microsoft .NET Framework 3.5 AND 4.7.2: 4.7.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0; Microsoft .NET Framework 3.5 AND 4.8: 4.8.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0; Microsoft .NET Framework 3.5 AND 4.8.1: 4.8.1 < 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0; Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2: 4.7.0 < 4.7.4143.0; Microsoft .NET Framework 4.8: 4.8.0 < 4.8.4803.0; Microsoft .NET Framework 4.8.1: 4.8.0.0 < 4.8.9340.0; Microsoft Visual Studio 2022 version 17.12: 17.12.0 < 17.12.22; Microsoft Visual Studio 2022 version 17.14: 17.14.0 < 17.14.36; Microsoft Visual Studio 2026 version 18.7: 18.0 < 18.7.4 · Fixed: An authoritative update reference is available, but the fixed version is not recorded in the structured CVE fields. Check the linked vendor advisory for the applicable release.
    After
    .NET 10.0: 10.0.0 < 10.0.10; .NET 8.0: 8.0.0 < 8.0.29; .NET 9.0: 9.0.0 < 9.0.18; Microsoft .NET Framework 3.5: 3.5.0 < 2.0.50727.8983 & 3.0.30729.8978; Microsoft .NET Framework 3.5 AND 4.7.2: 4.7.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0; Microsoft .NET Framework 3.5 AND 4.8: 4.8.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0; Microsoft .NET Framework 3.5 AND 4.8.1: 4.8.1 < 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0; Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2: 4.7.0 < 4.7.4143.0; Microsoft .NET Framework 4.8: 4.8.0 < 4.8.4803.0; Microsoft .NET Framework 4.8.1: 4.8.0.0 < 4.8.9340.0; Microsoft Visual Studio 2022 version 17.12: 17.12.0 < 17.12.22; Microsoft Visual Studio 2022 version 17.14: 17.14.0 < 17.14.36; Microsoft Visual Studio 2026 version 18.7: 18.0 < 18.7.4 · Fixed: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
    Red Hat Product Security ↗
  5. Affected versionsThe structured affected or fixed version information changed.
    Before
    Fixed: aspnetcore-runtime-10.0-0:10.0.10-1.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-10.0-0:10.0.10-1.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-10.0-0:10.0.10-1.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-10.0-0:10.0.10-1.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-8.0-0:8.0.29-1.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-8.0-0:8.0.29-1.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-8.0-0:8.0.29-1.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-8.0-0:8.0.29-1.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-9.0-0:9.0.18-1.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-9.0-0:9.0.18-1.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-9.0-0:9.0.18-1.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-9.0-0:9.0.18-1.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-dbg-10.0-0:10.0.10-1.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-dbg-10.0-0:10.0.10-1.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-dbg-10.0-0:10.0.10-1.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-dbg-10.0-0:10.0.10-1.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-dbg-8.0-0:8.0.29-1.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-dbg-8.0-0:8.0.29-1.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-dbg-8.0-0:8.0.29-1.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-dbg-8.0-0:8.0.29-1.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-dbg-9.0-0:9.0.18-1.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-dbg-9.0-0:9.0.18-1.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-dbg-9.0-0:9.0.18-1.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-runtime-dbg-9.0-0:9.0.18-1.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-targeting-pack-10.0-0:10.0.10-1.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-targeting-pack-10.0-0:10.0.10-1.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-targeting-pack-10.0-0:10.0.10-1.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-targeting-pack-10.0-0:10.0.10-1.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-targeting-pack-8.0-0:8.0.29-1.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10); aspnetcore-targeting-pack-8.0-0:8.0.29-1.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10); and 916 more
    After
    Fixed: aspnetcore-runtime-8.0-0:8.0.30-1.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-runtime-8.0-0:8.0.30-1.el10_0.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-runtime-8.0-0:8.0.30-1.el10_0.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-runtime-8.0-0:8.0.30-1.el10_0.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-runtime-9.0-0:9.0.19-1.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-runtime-9.0-0:9.0.19-1.el10_0.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-runtime-9.0-0:9.0.19-1.el10_0.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-runtime-9.0-0:9.0.19-1.el10_0.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-runtime-dbg-8.0-0:8.0.30-1.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-runtime-dbg-8.0-0:8.0.30-1.el10_0.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-runtime-dbg-8.0-0:8.0.30-1.el10_0.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-runtime-dbg-8.0-0:8.0.30-1.el10_0.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-runtime-dbg-9.0-0:9.0.19-1.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-runtime-dbg-9.0-0:9.0.19-1.el10_0.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-runtime-dbg-9.0-0:9.0.19-1.el10_0.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-runtime-dbg-9.0-0:9.0.19-1.el10_0.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-targeting-pack-8.0-0:8.0.30-1.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-targeting-pack-8.0-0:8.0.30-1.el10_0.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-targeting-pack-8.0-0:8.0.30-1.el10_0.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-targeting-pack-8.0-0:8.0.30-1.el10_0.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-targeting-pack-9.0-0:9.0.19-1.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-targeting-pack-9.0-0:9.0.19-1.el10_0.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-targeting-pack-9.0-0:9.0.19-1.el10_0.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); aspnetcore-targeting-pack-9.0-0:9.0.19-1.el10_0.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); dotnet-apphost-pack-8.0-0:8.0.30-1.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); dotnet-apphost-pack-8.0-0:8.0.30-1.el10_0.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); dotnet-apphost-pack-8.0-0:8.0.30-1.el10_0.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); dotnet-apphost-pack-8.0-0:8.0.30-1.el10_0.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); dotnet-apphost-pack-8.0-debuginfo-0:8.0.30-1.el10_0.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); dotnet-apphost-pack-8.0-debuginfo-0:8.0.30-1.el10_0.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); and 1413 more
    Red Hat Product Security ↗
Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
Fixed release or patch reference recorded
Fixed release recorded from official guidance
ENISA EUVD · EUVD-2026-44407↗Red Hat Product Security security advisory↗CVE authority or vendor reference↗Official CVE record (CNA and ADP data)↗NVD record↗
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
Free version - for non-commercial use only.CVE-2026-50659 · cve.blacktree.nl