CVE-2021-41357

Published: Oct 13, 2021Modified: Oct 30, 2025CISA KEV

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: NVD (Secondary)

Description

Win32k Elevation of Privilege Vulnerability

Affected (7)

Products: Microsoft: Windows 10 2004, Windows 10 20h2, Windows 10 21h1, Windows 11 21h2, Windows Server 2004, Windows Server 2022, Windows Server 20h2

7 products

Windows 10 2004

Windows 10 20h2

Windows 10 21h1

Windows 11 21h2

Windows Server 2004

Windows Server 2022

Windows Server 20h2

Configuration A

7 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10 2004	Before 10.0.19041.1288
Microsoft Windows 10 20h2	Before 10.0.19042.1288
Microsoft Windows 10 21h1	Before 10.0.19043.1288
Microsoft Windows 11 21h2	Before 10.0.22000.258
Microsoft Windows Server 2004	Before 10.0.19041.1288
Microsoft Windows Server 2022	Before 10.0.20348.288
Microsoft Windows Server 20h2	Before 10.0.19042.1288

References (3)

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41357

Source: secure@microsoft.com

PatchVendor Advisory

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41357

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-41357

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

Timeline

No history available yet.