Vulnerability · NVD
CVE-2026-20811
HIGH 7.8
Access of resource using incompatible type ('type confusion') in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
Attack vector : Local
No user interaction
Show raw CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.49%
exploit very unlikely
percentile 39.3%
OS versions that fix this CVE
This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.
- Windows Server 2025 Fixed in 10.0.26100.32230
- Windows Server 2022 (Server Core installation) Fixed in 10.0.20348.4648
- Windows Server 2022 Fixed in 10.0.25398.2092
- Windows 11 25H2 · 2025-H2 Fixed in 10.0.26200.7623
- Windows 11 24H2 · 2024-H2 Fixed in 10.0.26100.7623
- Windows 11 23H2 · 2023-H2 Fixed in 10.0.22631.6491