Zero-day vulnerability in Windows

Improper Privilege Management

The vulnerability was reported by DBAPPSecurity Lieying Lab.

Vulnerability details

Advisory: SB2021060823 - Remote code execution in Microsoft DWM Core Library

Vulnerable component: Windows

CVE-ID: CVE-2021-33739

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-269 - Improper Privilege Management


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.

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