Vulnerability · NVD
CVE-2026-21237
HIGH 7.0
Windows Subsystem for Linux Elevation of Privilege Vulnerability
EPSS
0.03%
exploit very unlikely
percentile 9.8%
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 Fixed in Windows Server 2025 (Server Core installation) 10.0.26100.32370 Windows Server 2025 10.0.26100.32370 Windows Server 2022 (Server Core installation) 10.0.20348.4773 Windows Server 2022 10.0.25398.2149 Windows 11 26H1 · 2026-H1 10.0.28000.1575 Windows 11 25H2 · 2025-H2 10.0.26200.7840 Windows 11 24H2 · 2024-H2 10.0.26100.7840 Windows 11 23H2 · 2023-H2 10.0.22631.6649 Windows 10 22H2 · 2022-H2 10.0.19045.6937 Windows 10 21H2 · 2021-H2 10.0.19044.6937