MSRC-CVE-2026-96129 — Windows Kernel Elevation of Privilege Vulnerability

Summary

Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Unlikely. Customer action: Required.

Details

What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

Security updates
10.0.26100.9974 — https://support.microsoft.com/help/5132061
10.0.26100.9911 — https://support.microsoft.com/help/5132043
10.0.28000.3501 — https://support.microsoft.com/help/5132059

Vulnerabilities 1

High 7.8

CVE-2026-96129

Windows Kernel Elevation of Privilege Vulnerability

Inclusion of functionality from untrusted control sphere in Windows Kernel allows an authorized attacker to elevate privileges locally.

Microsoft Windows 11 Version 24H2 Windows 11 Version 25H2 Windows 11 version 26H1 Windows

Nov 10, 2026

Revision history

2026-11-10 #1
Information published.

References

CVE-2026-96129 Windows Kernel Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96129
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss