Vulnerability · NVD
CVE-2026-20810
HIGH 7.8
Vendor bulletin scale — NVD CVSS pending
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
EPSS
0.48%
exploit very unlikely
percentile 38.7%
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 2019 Fixed in 10.0.17763.8276
- Windows 10 22H2 · 2022-H2 Fixed in 10.0.19045.6809
- Windows 10 21H2 · 2021-H2 Fixed in 10.0.19044.6809
- Windows 10 1809 · 2018-09 Fixed in 10.0.17763.8276