CVE-2021-26900

HIGH

Windows 10 and Windows Server 2016 - Use-After-Free in Win32k

Title source: llm

Windows Win32k Elevation of Privilege Vulnerability

Core 2

Core References

Patch, Vendor Advisory x_refsource_misc

Third Party Advisory x_refsource_misc

CVSS v3 7.8

EPSS 0.0235

EPSS Percentile 81.5%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-416

Status published

Products (5)

microsoft/windows_10 20h2

microsoft/windows_10 1909

microsoft/windows_10 2004

microsoft/windows_server_2016 20h2

microsoft/windows_server_2016 1909

Published Mar 11, 2021

Tracked Since Feb 18, 2026