Description
Double free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Windows 11 version 23H2 | 10.0.22631.0 – < 10.0.22631.6491 | 10.0.22631.6491 |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 – < 10.0.26100.7623 | 10.0.26100.7623 |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 – < 10.0.26200.7623 | 10.0.26200.7623 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 – < 10.0.20348.4648 | 10.0.20348.4648 |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 – < 10.0.25398.2092 | 10.0.25398.2092 |
| Microsoft | Windows Server 2025 | 10.0.26100.0 – < 10.0.26100.32230 | 10.0.26100.32230 |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 – < 10.0.26100.32230 | 10.0.26100.32230 |
Advisories 3
- NCSC-2026-0007 Kwetsbaarheden verholpen in Microsoft Windows NCSC-NL (Netherlands) · Apr 10, 2026
- WID-SEC-2026-0083 Microsoft Windows : Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 2, 2026
- MSRC-CVE-2026-20863 Win32k Elevation of Privilege Vulnerability Microsoft Security Response Center · Jan 13, 2026
References
- Win32k Elevation of Privilege Vulnerability vendor-advisory patch