BlackTreeCVE IntelligenceSeptember 2026 Patch TuesdayMSRC-2026-09-developer-tools-release-notesNormal patch window
Microsoft · MSRC-2026-09-developer-tools-release-notes
Linked CVE review
Deploy Microsoft Developer Tools update for Microsoft Visual Studio 2022 version 17.14
- Linked CVEs
- 8
- Confirmed exploited
- 0
- PoC or lab evidence
- 1
- Maximum CVSS
- 8.8
Confirmed exploitation, public exploit material, EPSS probability and CVSS severity answer different questions. “No confirmation recorded” means the checked sources do not currently confirm exploitation. It is not proof that exploitation has not occurred.
8 of 8 linked CVEs shown
Confirmed exploitedCVSS above 9.0
| CVE and description | Severity | Exploit reality | Forecast and access | Remediation |
|---|---|---|---|---|
CVE-2025-70873 PoC or lab evidence An information disclosure issue in the zipfileInflate function in the zipfile extension in SQLite v3.51.1 and earlier allows attackers to obtain heap memory via supplying a crafted ZIP fileAn information disclosure issue in the zipfileInflate function in the zipfile extension in SQLite v3.51.1 and earlier allows attackers to obtain heap memory via supplying a crafted ZIP file. | 7.5 · CVSS 3.1 · HighSource: CISA ADP | No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.Public exploit referencedA structured CVE source labels at least one public reference as exploit material. BlackTree has not independently validated that it is safe, reliable or weaponised. | EPSS: 0.30% · 20.9th percentileForecast date: 2026-10-07NETWORK · LOW complexity · NONE privileges · NONE user interaction | Within 7 daysHigh technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance.Patch available. For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/ |
CVE-2026-69522 Scheduled assessment .NET and Visual Studio Remote Code Execution VulnerabilityHeap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network. | 8.8 · CVSS 3.1 · HighSource: CNA | No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds. | EPSS: 0.91% · 58.8th percentileForecast date: 2026-10-07NETWORK · LOW complexity · NONE privileges · REQUIRED user interaction | Within 7 daysHigh technical severity; prioritise exposed affected systems while verifying vendor guidance.Patch available. 10.0.12:Security Update:https://support.microsoft.com/kb/5126106 |
CVE-2026-69439 Scheduled assessment .NET and Visual Studio Elevation of Privilege VulnerabilityHeap-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to elevate privileges over a network. | 8.8 · CVSS 3.1 · HighSource: CNA | No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds. | EPSS: 0.84% · 56.6th percentileForecast date: 2026-10-07NETWORK · LOW complexity · NONE privileges · REQUIRED user interaction | Within 7 daysHigh technical severity; prioritise exposed affected systems while verifying vendor guidance.Patch available. 10.0.12:Security Update:https://support.microsoft.com/kb/5126106 |
CVE-2026-69806 Scheduled assessment .NET Elevation of Privilege VulnerabilityExposure of sensitive information to an unauthorized actor in .NET allows an authorized attacker to elevate privileges locally. | 7.0 · CVSS 3.1 · HighSource: CNA | No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds. | EPSS: 0.76% · 53.7th percentileForecast date: 2026-10-07LOCAL · HIGH complexity · LOW privileges · NONE user interaction | Within 7 daysHigh technical severity; prioritise exposed affected systems while verifying vendor guidance.Patch available. 18.9.3:Security Update:https://learn.microsoft.com/en-us/visualstudio/releases/2026/release-notes |
CVE-2026-71328 Scheduled assessment .NET and Visual Studio Remote Code Execution VulnerabilityHeap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network. | 8.8 · CVSS 3.1 · HighSource: CNA | No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds. | EPSS: 0.76% · 53.7th percentileForecast date: 2026-10-07NETWORK · LOW complexity · NONE privileges · REQUIRED user interaction | Within 7 daysHigh technical severity; prioritise exposed affected systems while verifying vendor guidance.Patch available. 18.9.3:Security Update:https://learn.microsoft.com/en-us/visualstudio/releases/2026/release-notes |
CVE-2026-69805 Scheduled assessment .NET Elevation of Privilege VulnerabilityExternal control of file name or path in .NET allows an unauthorized attacker to elevate privileges over a network. | 7.5 · CVSS 3.1 · HighSource: CNA | No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds. | EPSS: 0.50% · 40.6th percentileForecast date: 2026-10-07NETWORK · HIGH complexity · NONE privileges · REQUIRED user interaction | Within 7 daysHigh technical severity; prioritise exposed affected systems while verifying vendor guidance.Mitigation available. No fixed version is explicitly recorded in the structured CVE data. |
CVE-2026-69304 Scheduled assessment ASP.NET Core Denial of Service VulnerabilityImproper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a network. | 5.9 · CVSS 3.1 · MediumSource: CNA | No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds. | EPSS: 0.88% · 57.7th percentileForecast date: 2026-10-07NETWORK · HIGH complexity · NONE privileges · NONE user interaction | ScheduledMedium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.Patch available. 11.0 RC1:Security Update |
CVE-2026-58649 Scheduled assessment .NET Information Disclosure VulnerabilityOrigin validation error in .NET allows an unauthorized attacker to disclose information over a network. | 6.5 · CVSS 3.1 · MediumSource: CNA | No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds. | EPSS: 0.27% · 18.0th percentileForecast date: 2026-10-07NETWORK · LOW complexity · NONE privileges · REQUIRED user interaction | ScheduledMedium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.Patch available. For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 |