Microsoft Windows DWM Core Library Privilege Escalation Vulnerability

A use-after-free vulnerability has been identified in the Windows DWM Core Library. This vulnerability allows an authorized attacker to locally elevate privileges. Exploitation of this vulnerability could grant SYSTEM privileges to the attacker.

Impact

Successful exploitation of this vulnerability could lead to unauthorized privilege escalation, allowing an attacker to gain SYSTEM rights.

Remediation

Users can download the security update for this vulnerability via the Microsoft Update Catalog. The update is included in the June 2026 Patch Tuesday release.