A use after free vulnerability in the Windows Desktop Window Manager allows an authenticated attacker to achieve local privilege escalation, posing a high risk to system integrity.

This is a use after free flaw within the Desktop Window Manager (DWM). It allows an attacker with low-level local access to escalate their privileges to a higher level of authority.

The ability for a local user to escalate privileges creates a significant security risk, as it allows attackers to bypass standard permission boundaries and gain administrative control. With a CVSS score of 7.8, this vulnerability is classified as High severity, as it facilitates unauthorized access to sensitive system resources and potentially leads to complete system compromise.

Immediate Action: Apply the relevant Microsoft security updates for the specific Windows version and build as outlined in the official Microsoft security update guide.

Proactive Monitoring: Monitor system logs for unusual process execution patterns or unauthorized attempts to access protected memory spaces.

Compensating Controls: Ensure that the principle of least privilege is strictly enforced for all local user accounts to limit the potential impact of a local privilege escalation exploit.

Public Exploit Available: No

Given the potential for full system compromise via privilege escalation, IT administrators should prioritize patching all affected Windows workstations and servers. Ensure that security updates are deployed through standard patch management workflows to mitigate this high-severity risk immediately.