CVE-2021-42291

HIGH

Windows Server - Active Directory Domain Services Elevation of Privilege

Title source: llm

Active Directory Domain Services Elevation of Privilege Vulnerability

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

CVSS v3 7.5

EPSS 0.0332

EPSS Percentile 87.0%

Attack Vector NETWORK

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

CWE

CWE-269

Status published

Products (9)

microsoft/windows_server 20h2

microsoft/windows_server 2012 r2

microsoft/windows_server_2008 (2 CPE variants)

microsoft/windows_server_2008 r2 sp1

microsoft/windows_server_2012

microsoft/windows_server_2016

microsoft/windows_server_2016 2004

microsoft/windows_server_2019

microsoft/windows_server_2022

Published Nov 10, 2021

Tracked Since Feb 18, 2026