Microsoft Windows DWM Core Library Privilege Escalation Vulnerability

A use-after-free 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 arises from improper memory management, which can be exploited to gain higher-level permissions on the affected system.

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 KB5094127 for various Windows 10 and Windows 11 versions, KB5094128 for Windows Server 2022, KB5094125 for Windows Server 2025, and KB5094041 for Windows Server 2012 R2.