CVE-2026-32195: CWE-121: Stack-based Buffer Overflow in Microsoft Windows 11 version 26H1
Stack-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability is a stack-based buffer overflow (CWE-121) in the Windows Kernel component of Microsoft Windows 11 version 26H1 (build 10.0.28000.0). It enables a local attacker with authorized access to escalate privileges on the affected system. The CVSS 3.1 vector indicates that the attack requires local access with high attack complexity and low privileges but no user interaction. Confidentiality, integrity, and availability impacts are all high. Microsoft has published an official fix to remediate this issue.
Potential Impact
An authorized local attacker can exploit this stack-based buffer overflow to elevate privileges, potentially gaining higher system rights than intended. This can lead to full system compromise, affecting confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32195 to remediate this vulnerability.
CVE-2026-32195: CWE-121: Stack-based Buffer Overflow in Microsoft Windows 11 version 26H1
Description
Stack-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.0high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a stack-based buffer overflow (CWE-121) in the Windows Kernel component of Microsoft Windows 11 version 26H1 (build 10.0.28000.0). It enables a local attacker with authorized access to escalate privileges on the affected system. The CVSS 3.1 vector indicates that the attack requires local access with high attack complexity and low privileges but no user interaction. Confidentiality, integrity, and availability impacts are all high. Microsoft has published an official fix to remediate this issue.
Potential Impact
An authorized local attacker can exploit this stack-based buffer overflow to elevate privileges, potentially gaining higher system rights than intended. This can lead to full system compromise, affecting confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32195 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-11T00:26:53.427Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32195","vendor":"Microsoft"}]
Threat ID: 69de7a3482d89c981fd6bcd6
Added to database: 04/14/2026, 17:32:36 UTC
Last enriched: 06/19/2026, 17:09:52 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 140
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