Microsoft Windows DWM Core Library Privilege Escalation Vulnerability

A use-after-free vulnerability in the Windows DWM Core Library has been identified, allowing an authorized attacker to locally elevate privileges. This vulnerability could enable an attacker to gain SYSTEM privileges.

Impact

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.