CVE-2021-33739

Published: Jun 8, 2021Modified: Oct 30, 2025CISA KEV

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: NVD (Secondary)

Description

Microsoft DWM Core Library Elevation of Privilege Vulnerability

Affected (6)

Products: Microsoft: Windows 10 1909, Windows 10 2004, Windows 10 20h2, Windows 10 21h1, Windows Server 2004, Windows Server 20h2

6 products

Windows 10 1909

Windows 10 2004

Windows 10 20h2

Windows 10 21h1

Windows Server 2004

Windows Server 20h2

Configuration A

6 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10 1909	Before 10.0.18363.1621
Microsoft Windows 10 2004	Before 10.0.19041.1052
Microsoft Windows 10 20h2	Before 10.0.19042.1052
Microsoft Windows 10 21h1	Before 10.0.19043.1052
Microsoft Windows Server 2004	Before 10.0.19041.1052
Microsoft Windows Server 20h2	Before 10.0.19042.1052

References (3)

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33739

Source: secure@microsoft.com

PatchVendor Advisory

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33739

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

PatchVendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-33739

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

US Government Resource

Timeline

No history available yet.