Microsoft Windows Win32K Privilege Escalation Vulnerability

A use-after-free vulnerability has been identified in the Windows Win32K component, specifically within ICOMP. This vulnerability allows an authorized attacker to locally elevate privileges. The issue arises from improper memory management, leading to a use-after-free condition that can be exploited to gain higher privileges on the system.

Impact

Exploitation of this vulnerability could allow 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 KB5074109 for Windows 11 and KB5073379 for Windows Server 2025.