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Full vulnerability report · 2026
CVE-2026-23293High confidence

net: vxlan: fix nd_tbl NULL dereference when IPv6 is disabled

Linux · Linux

5.5MediumCVSS 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
Distribution package intelligence

Ubuntu vendor package status

Canonical’s release and source-package findings are shown separately from local repository availability.

20 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.

Ubuntu releaseSource packageVendor stateFixed versionEvidence
Ubuntu 24.04 LTSnoble · standard archivelinuxAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-awsAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-azureAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-azure-fdeAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-azure-nvidiaAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-gcpAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-gkeAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-gkeopAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-ibmAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-lowlatencyAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-nvidiaAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-nvidia-lowlatencyAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-nvidia-tegraAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-oem-6.11Affected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-oracleAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-raspiAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-raspi-realtimeAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-realtimeAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-riscvAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical record ↗Source updated 8 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-xilinxAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical record ↗Source updated 8 Sept 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.

2 current
SSA-019113 · CSAF 2.0 · revision 2 · interimSiemens ProductCERTSSA-019113: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1.6
5 known affected

The vendor explicitly identifies these products as affected by this CVE.

  • SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) >= V3.1.6
  • SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) >= V3.1.6
  • SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) >= V3.1.6
  • SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0) >= V3.1.6
  • SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0) >= V3.1.6
Summary
In the Linux kernel, the following vulnerability has been resolved: net: vxlan: fix nd_tbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the nd_tbl is never initialized because inet6_init() exits before ndisc_init() is called which initializes it. If an IPv6 packet is injected into the interface, route_shortcircuit() is called and a NULL pointer dereference happens on neigh_lookup(). BUG: kernel NULL pointer dereference, address: 0000000000000380 Oops: Oops: 0000 [#1] SMP NOPTI [...] RIP: 0010:neigh_lookup+0x20/0x270 [...] Call Trace: vxlan_xmit+0x638/0x1ef0 [vxlan] dev_hard_start_xmit+0x9e/0x2e0 __dev_queue_xmit+0xbee/0x14e0 packet_sendmsg+0x116f/0x1930 __sys_sendto+0x1f5/0x200 __x64_sys_sendto+0x24/0x30 do_syscall_64+0x12f/0x1590 entry_SYSCALL_64_after_hwframe+0x76/0x7e Fix this by adding an early check on route_shortcircuit() when protocol is ETH_P_IPV6. Note that ipv6_mod_enabled() cannot be used here because VXLAN can be built-in even when IPv6 is built as a module.
Remediation
Limit access to the interactive shell of the additional GNU/Linux subssytem to trusted personnel only.
SSA-082556 · CSAF 2.0 · revision 7 · interimSiemens ProductCERTSSA-082556: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1.5
5 known affected

The vendor explicitly identifies these products as affected by this CVE.

  • SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) >= V3.1.5
  • SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) >= V3.1.5
  • SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) >= V3.1.5
  • SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0) >= V3.1.5
  • SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0) >= V3.1.5
Summary
In the Linux kernel, the following vulnerability has been resolved: net: vxlan: fix nd_tbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the nd_tbl is never initialized because inet6_init() exits before ndisc_init() is called which initializes it. If an IPv6 packet is injected into the interface, route_shortcircuit() is called and a NULL pointer dereference happens on neigh_lookup(). BUG: kernel NULL pointer dereference, address: 0000000000000380 Oops: Oops: 0000 [#1] SMP NOPTI [...] RIP: 0010:neigh_lookup+0x20/0x270 [...] Call Trace: vxlan_xmit+0x638/0x1ef0 [vxlan] dev_hard_start_xmit+0x9e/0x2e0 __dev_queue_xmit+0xbee/0x14e0 packet_sendmsg+0x116f/0x1930 __sys_sendto+0x1f5/0x200 __x64_sys_sendto+0x24/0x30 do_syscall_64+0x12f/0x1590 entry_SYSCALL_64_after_hwframe+0x76/0x7e Fix this by adding an early check on route_shortcircuit() when protocol is ETH_P_IPV6. Note that ipv6_mod_enabled() cannot be used here because VXLAN can be built-in even when IPv6 is built as a module.
Remediation
Limit access to the interactive shell of the additional GNU/Linux subssytem to trusted personnel only.
Optional official sources

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

Select the national-authority views to include. The exact source language is shown on each matched advisory. Your choice is remembered on this device and encoded in the shareable URL.

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-2026-15224

No EUVD known-exploited evidence

In the Linux kernel, the following vulnerability has been resolved: net: vxlan: fix nd_tbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the nd_tbl is never initialized because inet6_init() exits before ndisc_init() is called which initializes it. If an IPv6 packet is injected into the interface, route_shortcircuit() is called and a NULL pointer dereference happens on neigh_lookup(). BUG: kernel NULL pointer dereference, address: 0000000000000380 Oops: Oops: 0000 [#1] SMP NOPTI [...] RIP: 0010:neigh_lookup+0x20/0x270 [...] Call Trace: <TASK> vxlan_xmit+0x638/0x1ef0 [vxlan] dev_hard_start_xmit+0x9e/0x2e0 __dev_queue_xmit+0xbee/0x14e0 packet_sendmsg+0x116f/0x1930 __sys_sendto+0x1f5/0x200 __x64_sys_sendto+0x24/0x30 do_syscall_64+0x12f/0x1590 entry_SYSCALL_64_after_hwframe+0x76/0x7e Fix this by adding an early check on route_shortcircuit() when protocol is ETH_P_IPV6. Note that ipv6_mod_enabled() cannot be used here because VXLAN can be built-in even when IPv6 is built as a module.

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
0.0
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

In the Linux kernel, the following vulnerability has been resolved: net: vxlan: fix nd_tbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the nd_tbl is never initialized because inet6_init() exits before ndisc_init() is called which initializes it. If an IPv6 packet is injected into the interface, route_shortcircuit() is called and a NULL pointer dereference happens on neigh_lookup(). BUG: kernel NULL pointer dereference, address: 0000000000000380 Oops: Oops: 0000 [#1] SMP NOPTI [...] RIP: 0010:neigh_lookup+0x20/0x270 [...] Call Trace: <TASK> vxlan_xmit+0x638/0x1ef0 [vxlan] dev_hard_start_xmit+0x9e/0x2e0 __dev_queue_xmit+0xbee/0x14e0 packet_sendmsg+0x116f/0x1930 __sys_sendto+0x1f5/0x200 __x64_sys_sendto+0x24/0x30 do_syscall_64+0x12f/0x1590 entry_SYSCALL_64_after_hwframe+0x76/0x7e Fix this by adding an early check on route_shortcircuit() when protocol is ETH_P_IPV6. Note that ipv6_mod_enabled() cannot be used here because VXLAN can be built-in even when IPv6 is built as a module.

What

In the Linux kernel, the following vulnerability has been resolved: net: vxlan: fix nd_tbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the nd_tbl is never initialized because inet6_init() exits before ndisc_init() is called which initializes it. If an IPv6 packet is injected into the interface, route_shortcircuit() is called and a NULL pointer dereference happens on neigh_lookup(). BUG: kernel NULL pointer dereference, address: 0000000000000380 Oops: Oops: 0000 [#1] SMP NOPTI [...] RIP: 0010:neigh_lookup+0x20/0x270 [...] Call Trace: <TASK> vxlan_xmit+0x638/0x1ef0 [vxlan] dev_hard_start_xmit+0x9e/0x2e0 __dev_queue_xmit+0xbee/0x14e0 packet_sendmsg+0x116f/0x1930 __sys_sendto+0x1f5/0x200 __x64_sys_sendto+0x24/0x30 do_syscall_64+0x12f/0x1590 entry_SYSCALL_64_after_hwframe+0x76/0x7e Fix this by adding an early check on route_shortcircuit() when protocol is ETH_P_IPV6. Note that ipv6_mod_enabled() cannot be used here because VXLAN can be built-in even when IPv6 is built as a module.

Why

The product dereferences a pointer that it expects to be valid but is NULL.

How

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

What

In the Linux kernel, the following vulnerability has been resolved: net: vxlan: fix nd_tbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the nd_tbl is never initialized because inet6_init() exits before ndisc_init() is called which initializes it. If an IPv6 packet is injected into the interface, route_shortcircuit() is called and a NULL pointer dereference happens on neigh_lookup(). BUG: kernel NULL pointer dereference, address: 0000000000000380 Oops: Oops: 0000 [#1] SMP NOPTI [...] RIP: 0010:neigh_lookup+0x20/0x270 [...] Call Trace: <TASK> vxlan_xmit+0x638/0x1ef0 [vxlan] dev_hard_start_xmit+0x9e/0x2e0 __dev_queue_xmit+0xbee/0x14e0 packet_sendmsg+0x116f/0x1930 __sys_sendto+0x1f5/0x200 __x64_sys_sendto+0x24/0x30 do_syscall_64+0x12f/0x1590 entry_SYSCALL_64_after_hwframe+0x76/0x7e Fix this by adding an early check on route_shortcircuit() when protocol is ETH_P_IPV6. Note that ipv6_mod_enabled() cannot be used here because VXLAN can be built-in even when IPv6 is built as a module.

Why

The product dereferences a pointer that it expects to be valid but is NULL.

How

An attacker operating through local access 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
local access → NULL Pointer Dereference → cause the confidentiality, integrity or availability impact described by the vendor
Attack surface
Local
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-476 ↗

CWE-476: NULL Pointer Dereference. The product dereferences a pointer that it expects to be valid but is NULL.

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

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

AVLocalAttack vector: The attacker needs local access to the vulnerable system.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.INoneIntegrity impact: No direct loss is represented by this metric.AHighAvailability impact: A successful attack can cause a major loss.
Post-exploitation / living off the land
The issue can support a local privilege or sandbox boundary transition; normal system utilities may then be available in the gained context.
CWE-476
A

Official authority intelligence

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

ENISA EUVD · EUVD-2026-15224Official EUVD mapping

In the Linux kernel, the following vulnerability has been resolved: net: vxlan: fix nd_tbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the nd_tbl is never initialized because inet6_init() exits before ndisc_init() is called which initializes it. If an IPv6 packet is injected into the interface, route_shortcircuit() is called and a NULL pointer dereference happens on neigh_lookup(). BUG: kernel NULL pointer dereference, address: 0000000000000380 Oops: Oops: 0000 [#1] SMP NOPTI [...] RIP: 0010:neigh_lookup+0x20/0x270 [...] Call Trace: <TASK> vxlan_xmit+0x638/0x1ef0 [vxlan] dev_hard_start_xmit+0x9e/0x2e0 __dev_queue_xmit+0xbee/0x14e0 packet_sendmsg+0x116f/0x1930 __sys_sendto+0x1f5/0x200 __x64_sys_sendto+0x24/0x30 do_syscall_64+0x12f/0x1590 entry_SYSCALL_64_after_hwframe+0x76/0x7e Fix this by adding an early check on route_shortcircuit() when protocol is ETH_P_IPV6. Note that ipv6_mod_enabled() cannot be used here because VXLAN can be built-in even when IPv6 is built as a module.

Official EUVD record
BSI · German · WID-SEC-W-2026-0861Linux Kernel: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Linux Kernel ausnutzen, um einen Denial of Service zu verursachen, Sicherheitsmaßnahmen zu umgehen, Informationen offenzulegen, weitere nicht spezifizierte Auswirkungen zu verursachen und potentiell Code auszuführen.

Official advisory
CERT-FR · French · CERTFR-2026-AVI-1093Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2026-23266 Référence CVE CVE-2026-23270 https://www.cve.org/CVERecord?id=CVE-2026-23270 Référence CVE CVE-2026-23277 https://www.cve.org/CVERecord?id=CVE-2026-23277 Référence CVE CVE-2026-23279 https://www.cve.org/CVERecord?id=CVE-2026-23279 Référence CVE CVE-2026-23281 https://www.cve.org/CVERecord?id=CVE-2026-23281 Référence CVE CVE-2026-23286 https://www.cve.org/CVERecord?id=CVE-2026-23286 Référence CVE CVE-2026-23289 https://www.cve.org/CVERecord?id=CVE-2026-23289 Référence CVE CVE-2026-23290 https://www.cve.org/CVERecord?id=CVE-2026-23290 Référence CVE CVE-2026-23291 https://www.cve.org/CVERecord?id=CVE-2026-23291 Référence CVE CVE-2026-23293 https://www.cve.org/CVERecord?id=CVE-2026-23293 Référence CVE CVE-2026-23296 https://www.cve.org/CVERecord?id=CVE-2026-23296 Référence CVE CVE-2026-23298 https://www.cve.org/CVERecord?id=CVE-2026-23298 Référence CVE CVE-2026-23300 https://www.cve.org/CVERecord?id=CVE-2026-23300 Référence CVE CVE-2026-23303 https://www.cve.org/CVERecord?id=CVE-2026-23303 Référence CVE CVE-2026-23304 https://www.cve.org/CVERecord?id=CVE-2026-23304 Référence CVE CVE-2026-23307 https://www.cve.org/CVERecord?id=CVE-2026-23307 Référence CVE CVE-2026-23312 https://www.cve.org/CVERecord?id=CVE-2026-23312 Référence CVE CVE-2026-23318 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2026-AVI-1066Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2026-23281 Référence CVE CVE-2026-23284 https://www.cve.org/CVERecord?id=CVE-2026-23284 Référence CVE CVE-2026-23285 https://www.cve.org/CVERecord?id=CVE-2026-23285 Référence CVE CVE-2026-23286 https://www.cve.org/CVERecord?id=CVE-2026-23286 Référence CVE CVE-2026-23287 https://www.cve.org/CVERecord?id=CVE-2026-23287 Référence CVE CVE-2026-23289 https://www.cve.org/CVERecord?id=CVE-2026-23289 Référence CVE CVE-2026-23290 https://www.cve.org/CVERecord?id=CVE-2026-23290 Référence CVE CVE-2026-23291 https://www.cve.org/CVERecord?id=CVE-2026-23291 Référence CVE CVE-2026-23292 https://www.cve.org/CVERecord?id=CVE-2026-23292 Référence CVE CVE-2026-23293 https://www.cve.org/CVERecord?id=CVE-2026-23293 Référence CVE CVE-2026-23296 https://www.cve.org/CVERecord?id=CVE-2026-23296 Référence CVE CVE-2026-23298 https://www.cve.org/CVERecord?id=CVE-2026-23298 Référence CVE CVE-2026-23300 https://www.cve.org/CVERecord?id=CVE-2026-23300 Référence CVE CVE-2026-23302 https://www.cve.org/CVERecord?id=CVE-2026-23302 Référence CVE CVE-2026-23303 https://www.cve.org/CVERecord?id=CVE-2026-23303 Référence CVE CVE-2026-23304 https://www.cve.org/CVERecord?id=CVE-2026-23304 Référence CVE CVE-2026-23306 https://www.cve.org/CVERecord?id=CVE-2026-23306 Référence CVE CVE-2026-23307 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2026-AVI-0985Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2026-23266 Référence CVE CVE-2026-23270 https://www.cve.org/CVERecord?id=CVE-2026-23270 Référence CVE CVE-2026-23277 https://www.cve.org/CVERecord?id=CVE-2026-23277 Référence CVE CVE-2026-23279 https://www.cve.org/CVERecord?id=CVE-2026-23279 Référence CVE CVE-2026-23281 https://www.cve.org/CVERecord?id=CVE-2026-23281 Référence CVE CVE-2026-23286 https://www.cve.org/CVERecord?id=CVE-2026-23286 Référence CVE CVE-2026-23289 https://www.cve.org/CVERecord?id=CVE-2026-23289 Référence CVE CVE-2026-23290 https://www.cve.org/CVERecord?id=CVE-2026-23290 Référence CVE CVE-2026-23291 https://www.cve.org/CVERecord?id=CVE-2026-23291 Référence CVE CVE-2026-23293 https://www.cve.org/CVERecord?id=CVE-2026-23293 Référence CVE CVE-2026-23296 https://www.cve.org/CVERecord?id=CVE-2026-23296 Référence CVE CVE-2026-23298 https://www.cve.org/CVERecord?id=CVE-2026-23298 Référence CVE CVE-2026-23300 https://www.cve.org/CVERecord?id=CVE-2026-23300 Référence CVE CVE-2026-23303 https://www.cve.org/CVERecord?id=CVE-2026-23303 Référence CVE CVE-2026-23304 https://www.cve.org/CVERecord?id=CVE-2026-23304 Référence CVE CVE-2026-23307 https://www.cve.org/CVERecord?id=CVE-2026-23307 Référence CVE CVE-2026-23312 https://www.cve.org/CVERecord?id=CVE-2026-23312 Référence CVE CVE-2026-23318 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2026-AVI-0954Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2026-23281 Référence CVE CVE-2026-23284 https://www.cve.org/CVERecord?id=CVE-2026-23284 Référence CVE CVE-2026-23285 https://www.cve.org/CVERecord?id=CVE-2026-23285 Référence CVE CVE-2026-23286 https://www.cve.org/CVERecord?id=CVE-2026-23286 Référence CVE CVE-2026-23287 https://www.cve.org/CVERecord?id=CVE-2026-23287 Référence CVE CVE-2026-23289 https://www.cve.org/CVERecord?id=CVE-2026-23289 Référence CVE CVE-2026-23290 https://www.cve.org/CVERecord?id=CVE-2026-23290 Référence CVE CVE-2026-23291 https://www.cve.org/CVERecord?id=CVE-2026-23291 Référence CVE CVE-2026-23292 https://www.cve.org/CVERecord?id=CVE-2026-23292 Référence CVE CVE-2026-23293 https://www.cve.org/CVERecord?id=CVE-2026-23293 Référence CVE CVE-2026-23296 https://www.cve.org/CVERecord?id=CVE-2026-23296 Référence CVE CVE-2026-23298 https://www.cve.org/CVERecord?id=CVE-2026-23298 Référence CVE CVE-2026-23300 https://www.cve.org/CVERecord?id=CVE-2026-23300 Référence CVE CVE-2026-23302 https://www.cve.org/CVERecord?id=CVE-2026-23302 Référence CVE CVE-2026-23303 https://www.cve.org/CVERecord?id=CVE-2026-23303 Référence CVE CVE-2026-23304 https://www.cve.org/CVERecord?id=CVE-2026-23304 Référence CVE CVE-2026-23306 https://www.cve.org/CVERecord?id=CVE-2026-23306 Référence CVE CVE-2026-23307 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2026-AVI-0926Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2026-23281 Référence CVE CVE-2026-23284 https://www.cve.org/CVERecord?id=CVE-2026-23284 Référence CVE CVE-2026-23285 https://www.cve.org/CVERecord?id=CVE-2026-23285 Référence CVE CVE-2026-23286 https://www.cve.org/CVERecord?id=CVE-2026-23286 Référence CVE CVE-2026-23287 https://www.cve.org/CVERecord?id=CVE-2026-23287 Référence CVE CVE-2026-23289 https://www.cve.org/CVERecord?id=CVE-2026-23289 Référence CVE CVE-2026-23290 https://www.cve.org/CVERecord?id=CVE-2026-23290 Référence CVE CVE-2026-23291 https://www.cve.org/CVERecord?id=CVE-2026-23291 Référence CVE CVE-2026-23292 https://www.cve.org/CVERecord?id=CVE-2026-23292 Référence CVE CVE-2026-23293 https://www.cve.org/CVERecord?id=CVE-2026-23293 Référence CVE CVE-2026-23296 https://www.cve.org/CVERecord?id=CVE-2026-23296 Référence CVE CVE-2026-23298 https://www.cve.org/CVERecord?id=CVE-2026-23298 Référence CVE CVE-2026-23300 https://www.cve.org/CVERecord?id=CVE-2026-23300 Référence CVE CVE-2026-23302 https://www.cve.org/CVERecord?id=CVE-2026-23302 Référence CVE CVE-2026-23303 https://www.cve.org/CVERecord?id=CVE-2026-23303 Référence CVE CVE-2026-23304 https://www.cve.org/CVERecord?id=CVE-2026-23304 Référence CVE CVE-2026-23306 https://www.cve.org/CVERecord?id=CVE-2026-23306 Référence CVE CVE-2026-23307 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2026-AVI-0880Multiples vulnérabilités dans les produits Siemens

025-71267, CVE-2026-3497, CVE-2026-22977, CVE-2026-22979, CVE-2026-22980, CVE-2026-22982, CVE-2026-22992, CVE-2026-22994, CVE-2026-23003, CVE-2026-23005, CVE-2026-23010, CVE-2026-23011, CVE-2026-23019, CVE-2026-23026, CVE-2026-23038, CVE-2026-23054, CVE-2026-23060, CVE-2026-23083, CVE-2026-23084, CVE-2026-23086, CVE-2026-23087, CVE-2026-23095, CVE-2026-23100, CVE-2026-23103, CVE-2026-23110, CVE-2026-23111, CVE-2026-23113, CVE-2026-23154, CVE-2026-23204, CVE-2026-23231, CVE-2026-23242, CVE-2026-23243, CVE-2026-23245, CVE-2026-23270, CVE-2026-23271, CVE-2026-23273, CVE-2026-23274, CVE-2026-23277, CVE-2026-23284, CVE-2026-23287, CVE-2026-23290, CVE-2026-23293, CVE-2026-23300, CVE-2026-23304, CVE-2026-23319, CVE-2026-23321, CVE-2026-23335, CVE-2026-23340, CVE-2026-23343, CVE-2026-23351, CVE-2026-23359, CVE-2026-23365, CVE-2026-23368, CVE-2026-23370, CVE-2026-23378, CVE-2026-23379, CVE-2026-23381, CVE-2026-23391, CVE-2026-23392, CVE-2026-23397, CVE-2026-23398, CVE-2026-23414, CVE-2026-23422, CVE-2026-23434, CVE-2026-23438, CVE-2026-23439, CVE-2026-23446, CVE-2026-23449, CVE-2026-23450, CVE-2026-23452, CVE-2026-23454, CVE-2026-23455, CVE-2026-23456, CVE-2026-23457, CVE-2026-23458, CVE-2026-23463, CVE-2026-23474, CVE-2026-23475, CVE-2026-27135, CVE-2026-31389, CVE-2026-31391, CVE-2026-31396, CVE-2026

Official advisory
CERT-FR · French · CERTFR-2026-AVI-0696Multiples vulnérabilités dans le noyau Linux de Debian LTS

d?id=CVE-2026-23273 Référence CVE CVE-2026-23274 https://www.cve.org/CVERecord?id=CVE-2026-23274 Référence CVE CVE-2026-23277 https://www.cve.org/CVERecord?id=CVE-2026-23277 Référence CVE CVE-2026-23279 https://www.cve.org/CVERecord?id=CVE-2026-23279 Référence CVE CVE-2026-23281 https://www.cve.org/CVERecord?id=CVE-2026-23281 Référence CVE CVE-2026-23286 https://www.cve.org/CVERecord?id=CVE-2026-23286 Référence CVE CVE-2026-23289 https://www.cve.org/CVERecord?id=CVE-2026-23289 Référence CVE CVE-2026-23290 https://www.cve.org/CVERecord?id=CVE-2026-23290 Référence CVE CVE-2026-23291 https://www.cve.org/CVERecord?id=CVE-2026-23291 Référence CVE CVE-2026-23293 https://www.cve.org/CVERecord?id=CVE-2026-23293 Référence CVE CVE-2026-23298 https://www.cve.org/CVERecord?id=CVE-2026-23298 Référence CVE CVE-2026-23300 https://www.cve.org/CVERecord?id=CVE-2026-23300 Référence CVE CVE-2026-23303 https://www.cve.org/CVERecord?id=CVE-2026-23303 Référence CVE CVE-2026-23304 https://www.cve.org/CVERecord?id=CVE-2026-23304 Référence CVE CVE-2026-23307 https://www.cve.org/CVERecord?id=CVE-2026-23307 Référence CVE CVE-2026-23312 https://www.cve.org/CVERecord?id=CVE-2026-23312 Référence CVE CVE-2026-23318 https://www.cve.org/CVERecord?id=CVE-2026-23318 Référence CVE CVE-2026-23336 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2026-AVI-0664Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2026-23193 Référence CVE CVE-2026-23209 https://www.cve.org/CVERecord?id=CVE-2026-23209 Référence CVE CVE-2026-23216 https://www.cve.org/CVERecord?id=CVE-2026-23216 Référence CVE CVE-2026-23268 https://www.cve.org/CVERecord?id=CVE-2026-23268 Référence CVE CVE-2026-23269 https://www.cve.org/CVERecord?id=CVE-2026-23269 Référence CVE CVE-2026-23273 https://www.cve.org/CVERecord?id=CVE-2026-23273 Référence CVE CVE-2026-23276 https://www.cve.org/CVERecord?id=CVE-2026-23276 Référence CVE CVE-2026-23290 https://www.cve.org/CVERecord?id=CVE-2026-23290 Référence CVE CVE-2026-23292 https://www.cve.org/CVERecord?id=CVE-2026-23292 Référence CVE CVE-2026-23293 https://www.cve.org/CVERecord?id=CVE-2026-23293 Référence CVE CVE-2026-23312 https://www.cve.org/CVERecord?id=CVE-2026-23312 Référence CVE CVE-2026-23340 https://www.cve.org/CVERecord?id=CVE-2026-23340 Référence CVE CVE-2026-23378 https://www.cve.org/CVERecord?id=CVE-2026-23378 Référence CVE CVE-2026-23391 https://www.cve.org/CVERecord?id=CVE-2026-23391 Référence CVE CVE-2026-23403 https://www.cve.org/CVERecord?id=CVE-2026-23403 Référence CVE CVE-2026-23404 https://www.cve.org/CVERecord?id=CVE-2026-23404 Référence CVE CVE-2026-23405 https://www.cve.org/CVERecord?id=CVE-2026-23405 Référence CVE CVE-2026-23408 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2026-AVI-0548Multiples vulnérabilités dans le noyau Linux de Debian

d?id=CVE-2026-23281 Référence CVE CVE-2026-23284 https://www.cve.org/CVERecord?id=CVE-2026-23284 Référence CVE CVE-2026-23285 https://www.cve.org/CVERecord?id=CVE-2026-23285 Référence CVE CVE-2026-23286 https://www.cve.org/CVERecord?id=CVE-2026-23286 Référence CVE CVE-2026-23287 https://www.cve.org/CVERecord?id=CVE-2026-23287 Référence CVE CVE-2026-23289 https://www.cve.org/CVERecord?id=CVE-2026-23289 Référence CVE CVE-2026-23290 https://www.cve.org/CVERecord?id=CVE-2026-23290 Référence CVE CVE-2026-23291 https://www.cve.org/CVERecord?id=CVE-2026-23291 Référence CVE CVE-2026-23292 https://www.cve.org/CVERecord?id=CVE-2026-23292 Référence CVE CVE-2026-23293 https://www.cve.org/CVERecord?id=CVE-2026-23293 Référence CVE CVE-2026-23296 https://www.cve.org/CVERecord?id=CVE-2026-23296 Référence CVE CVE-2026-23297 https://www.cve.org/CVERecord?id=CVE-2026-23297 Référence CVE CVE-2026-23298 https://www.cve.org/CVERecord?id=CVE-2026-23298 Référence CVE CVE-2026-23300 https://www.cve.org/CVERecord?id=CVE-2026-23300 Référence CVE CVE-2026-23302 https://www.cve.org/CVERecord?id=CVE-2026-23302 Référence CVE CVE-2026-23303 https://www.cve.org/CVERecord?id=CVE-2026-23303 Référence CVE CVE-2026-23304 https://www.cve.org/CVERecord?id=CVE-2026-23304 Référence CVE CVE-2026-23306 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2026-AVI-0546Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2026-23262 Référence CVE CVE-2026-23268 https://www.cve.org/CVERecord?id=CVE-2026-23268 Référence CVE CVE-2026-23270 https://www.cve.org/CVERecord?id=CVE-2026-23270 Référence CVE CVE-2026-23272 https://www.cve.org/CVERecord?id=CVE-2026-23272 Référence CVE CVE-2026-23274 https://www.cve.org/CVERecord?id=CVE-2026-23274 Référence CVE CVE-2026-23277 https://www.cve.org/CVERecord?id=CVE-2026-23277 Référence CVE CVE-2026-23278 https://www.cve.org/CVERecord?id=CVE-2026-23278 Référence CVE CVE-2026-23281 https://www.cve.org/CVERecord?id=CVE-2026-23281 Référence CVE CVE-2026-23292 https://www.cve.org/CVERecord?id=CVE-2026-23292 Référence CVE CVE-2026-23293 https://www.cve.org/CVERecord?id=CVE-2026-23293 Référence CVE CVE-2026-23317 https://www.cve.org/CVERecord?id=CVE-2026-23317 Référence CVE CVE-2026-23318 https://www.cve.org/CVERecord?id=CVE-2026-23318 Référence CVE CVE-2026-23319 https://www.cve.org/CVERecord?id=CVE-2026-23319 Référence CVE CVE-2026-23361 https://www.cve.org/CVERecord?id=CVE-2026-23361 Référence CVE CVE-2026-23362 https://www.cve.org/CVERecord?id=CVE-2026-23362 Référence CVE CVE-2026-23379 https://www.cve.org/CVERecord?id=CVE-2026-23379 Référence CVE CVE-2026-23381 https://www.cve.org/CVERecord?id=CVE-2026-23381 Référence CVE CVE-2026-23382 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2026-AVI-0547Multiples vulnérabilités dans le noyau Linux de Debian LTS

d?id=CVE-2026-23279 Référence CVE CVE-2026-23281 https://www.cve.org/CVERecord?id=CVE-2026-23281 Référence CVE CVE-2026-23284 https://www.cve.org/CVERecord?id=CVE-2026-23284 Référence CVE CVE-2026-23286 https://www.cve.org/CVERecord?id=CVE-2026-23286 Référence CVE CVE-2026-23287 https://www.cve.org/CVERecord?id=CVE-2026-23287 Référence CVE CVE-2026-23289 https://www.cve.org/CVERecord?id=CVE-2026-23289 Référence CVE CVE-2026-23290 https://www.cve.org/CVERecord?id=CVE-2026-23290 Référence CVE CVE-2026-23291 https://www.cve.org/CVERecord?id=CVE-2026-23291 Référence CVE CVE-2026-23292 https://www.cve.org/CVERecord?id=CVE-2026-23292 Référence CVE CVE-2026-23293 https://www.cve.org/CVERecord?id=CVE-2026-23293 Référence CVE CVE-2026-23296 https://www.cve.org/CVERecord?id=CVE-2026-23296 Référence CVE CVE-2026-23298 https://www.cve.org/CVERecord?id=CVE-2026-23298 Référence CVE CVE-2026-23300 https://www.cve.org/CVERecord?id=CVE-2026-23300 Référence CVE CVE-2026-23303 https://www.cve.org/CVERecord?id=CVE-2026-23303 Référence CVE CVE-2026-23304 https://www.cve.org/CVERecord?id=CVE-2026-23304 Référence CVE CVE-2026-23306 https://www.cve.org/CVERecord?id=CVE-2026-23306 Référence CVE CVE-2026-23307 https://www.cve.org/CVERecord?id=CVE-2026-23307 Référence CVE CVE-2026-23312 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2026-AVI-0520Multiples vulnérabilités dans le noyau Linux de SUSE

De multiples vulnérabilités ont été découvertes dans le noyau Linux de SUSE. Elles permettent à un attaquant de provoquer une élévation de privilèges, un déni de service et un problème de sécurité non spécifié par l'éditeur.

Official advisory
CERT-FR · French · CERTFR-2026-AVI-0497Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2026-23262 Référence CVE CVE-2026-23268 https://www.cve.org/CVERecord?id=CVE-2026-23268 Référence CVE CVE-2026-23270 https://www.cve.org/CVERecord?id=CVE-2026-23270 Référence CVE CVE-2026-23272 https://www.cve.org/CVERecord?id=CVE-2026-23272 Référence CVE CVE-2026-23274 https://www.cve.org/CVERecord?id=CVE-2026-23274 Référence CVE CVE-2026-23277 https://www.cve.org/CVERecord?id=CVE-2026-23277 Référence CVE CVE-2026-23278 https://www.cve.org/CVERecord?id=CVE-2026-23278 Référence CVE CVE-2026-23281 https://www.cve.org/CVERecord?id=CVE-2026-23281 Référence CVE CVE-2026-23292 https://www.cve.org/CVERecord?id=CVE-2026-23292 Référence CVE CVE-2026-23293 https://www.cve.org/CVERecord?id=CVE-2026-23293 Référence CVE CVE-2026-23297 https://www.cve.org/CVERecord?id=CVE-2026-23297 Référence CVE CVE-2026-23304 https://www.cve.org/CVERecord?id=CVE-2026-23304 Référence CVE CVE-2026-23317 https://www.cve.org/CVERecord?id=CVE-2026-23317 Référence CVE CVE-2026-23319 https://www.cve.org/CVERecord?id=CVE-2026-23319 Référence CVE CVE-2026-23326 https://www.cve.org/CVERecord?id=CVE-2026-23326 Référence CVE CVE-2026-23335 https://www.cve.org/CVERecord?id=CVE-2026-23335 Référence CVE CVE-2026-23343 https://www.cve.org/CVERecord?id=CVE-2026-23343 Référence CVE CVE-2026-23361 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2026-AVI-0454Multiples vulnérabilités dans le noyau Linux de SUSE

De multiples vulnérabilités ont été découvertes dans le noyau Linux de SUSE. Elles permettent à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur.

Official advisory
CERT-FR · French · CERTFR-2026-AVI-0376Multiples vulnérabilités dans les produits Microsoft

Bulletin de sécurité Microsoft CVE-2026-2369 du 25 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23279 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23281 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23284 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23285 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23286 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23289 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23290 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23291 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23292 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23293 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23296 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23298 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23300 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23303 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23304 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23306 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23307 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23310 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23312 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23315 du 26 mars 2026 Bulletin de s

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
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) >= V3.1.6; SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) >= V3.1.6; SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) >= V3.1.6; SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0) >= V3.1.6; SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0) >= V3.1.6
Fixed
< 3.12; 5.10.253 ≤ 5.10.*; 5.15.203 ≤ 5.15.*; 6.1.167 ≤ 6.1.*; 6.6.130 ≤ 6.6.*; 6.12.77 ≤ 6.12.*; 6.18.17 ≤ 6.18.*; 6.19.7 ≤ 6.19.*
Action
Review the linked authoritative reference and apply the recorded fixed release appropriate to the affected product branch.
Workaround
Limit access to the interactive shell of the additional GNU/Linux subssytem to trusted personnel only.
04

Evidence and provenance

Published 25 Mar 2026 · Last source change 8 Sept 2026, 08:45 UTC · CWE-476 · NULL Pointer Dereference

CVE recordCVE.org · 5.2
CVSS sourceNIST NVD
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-2026-15224
Product sourceVendor CSAF · Siemens ProductCERT
Remediation sourceVendor CSAF · Siemens ProductCERT
CWE sourceNIST NVD
NVD statusNVD modified after enrichment

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

Material change intelligence

What changed after publication

View recent updates →

No material field changes have been recorded since change tracking began. Routine source refreshes and cosmetic edits are intentionally excluded.

Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
Fixed release or patch reference recorded
ENISA EUVD · EUVD-2026-15224↗Vendor CSAF · Siemens ProductCERT↗CVE authority or vendor reference↗Patch or update reference↗Patch or update reference↗Patch or update 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-2026-23293 · cve.blacktree.nl