CVE-2025-21418
Microsoft · Published February 11, 2025
7.8
CVSS v3.1
HIGHCISA KEV — Federal agencies must patch by deadline
Actively exploited in the wild
Patch availableGet patch
Description
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Affected Products
- Windows 10 1607 < 10.0.10240.20915
- Windows 10 1809 < 10.0.17763.6893
- Windows 10 21h2 < 10.0.19044.5487
- Windows 10 22h2 < 10.0.19045.5487
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H