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CVE-2026-20810
HIGH
CVSS: 7.8
Published: 2026-01-13
Modified: 2026-06-17
Description
Free of memory not on the heap in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Affected Platforms
Microsoft Windows Server 2019Microsoft Windows 10 22H2Microsoft Windows 10 21H2Microsoft Windows 10 1809