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 Windows 11 version 26H1. It permits a local attacker with authorized access to escalate privileges by exploiting the overflow condition. The CVSS 3.1 vector indicates that the attack requires local access with high attack complexity and low privileges, but no user interaction. The impact includes high confidentiality, integrity, and availability consequences. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher system rights than intended. This can lead to full control over the affected system, compromising confidentiality, integrity, and availability of data and system resources.
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.
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 Windows 11 version 26H1. It permits a local attacker with authorized access to escalate privileges by exploiting the overflow condition. The CVSS 3.1 vector indicates that the attack requires local access with high attack complexity and low privileges, but no user interaction. The impact includes high confidentiality, integrity, and availability consequences. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher system rights than intended. This can lead to full control over the affected system, compromising confidentiality, integrity, and availability of data and system resources.
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: 4/14/2026, 5:32:36 PM
Last enriched: 4/14/2026, 6:03:38 PM
Last updated: 4/15/2026, 6:04:23 AM
Views: 6
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