Unrated severityNVD Advisory· Published Jan 13, 2026· Updated Apr 1, 2026
Win32k Elevation of Privilege Vulnerability
CVE-2026-20920
Description
Use after free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
Affected products
4- Microsoft/Windows 11 version 22H3v5Range: 10.0.22631.0
- Microsoft/Windows 11 Version 23H2v5Range: 10.0.22631.0
- Microsoft/Windows Server 2022v5Range: 10.0.20348.0
- Microsoft/Windows Server 2022, 23H2 Edition (Server Core installation)v5Range: 10.0.25398.0
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20920mitrevendor-advisorypatch
News mentions
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