Improper Privilege Management in Windows and Windows Server - CVE-2021-33739

 

Improper Privilege Management in Windows and Windows Server - CVE-2021-33739

Published: June 8, 2021 / Updated: December 22, 2021


Vulnerability identifier: #VU53902
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2021-33739
CWE-ID: CWE-269
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper privilege management within the Microsoft DWM Core Library. A remote attacker can trick the victim to run a specially crafted executable or script and execute arbitrary code on the system.


How to mitigate CVE-2021-33739

Install updates from vendor's website.

Sources