Microsoft Windows DWM Privilege Escalation Vulnerability

A heap-based buffer overflow vulnerability has been identified in the Windows Desktop Window Manager (DWM) core library. This vulnerability allows an authorized attacker to locally elevate privileges. The issue affects multiple Windows versions, including various releases of Windows 10, Windows 11, and Windows Server editions.

Impact

Exploitation of this vulnerability could lead to unauthorized privilege escalation, allowing an attacker to gain SYSTEM privileges.

Remediation

Users can apply the security update for this vulnerability, which is available through the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles KB5066586, KB5066835, KB5066836, KB5066780, and KB5066791.