Vulnerability · NVD
CVE-2026-27922
HIGH 7.0
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
EPSS
0.05%
exploit very unlikely
percentile 16.6%
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) 10.0.26100.32690 Windows Server 2025 10.0.26100.32690 Windows Server 2022 (Server Core installation) 10.0.20348.5020 Windows Server 2022 10.0.25398.2274 Windows Server 2019 (Server Core installation) 10.0.17763.8644 Windows Server 2019 10.0.17763.8644 Windows Server 2016 (Server Core installation) 10.0.14393.9060 Windows Server 2016 10.0.14393.9060 Windows 11 26H1 · 2026-H1 10.0.28000.1836 Windows 11 25H2 · 2025-H2 10.0.26200.8246 Windows 11 24H2 · 2024-H2 10.0.26100.8246 Windows 11 23H2 · 2023-H2 10.0.22631.6936 Windows 10 22H2 · 2022-H2 10.0.19045.7184 Windows 10 21H2 · 2021-H2 10.0.19044.7184 Windows 10 1809 · 2018-09 10.0.17763.8644 Windows 10 1607 · 2016-07 10.0.14393.9060