CVE-2025-27492 Windows Secure Channel Elevation of Privilege Vulnerability

High 7.0 Published 8 Apr 2025 Updated 10 Aug 2026

An authorized local attacker can exploit a race condition in Windows Secure Channel to elevate privileges.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-27492?

CVE-2025-27492 is a high-severity vulnerability in Microsoft Windows 11 22h2, published on 8 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Secure Channel allows an authorized attacker to elevate privileges locally.

Weakness: CWE-416, CWE-362

Which versions are affected by CVE-2025-27492?

It affects 6 products.

Products include Microsoft Windows 11 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2, Microsoft Windows Server 2022, Microsoft Windows Server 2022 23h2, Microsoft Windows Server 2025.

How do I fix CVE-2025-27492?

No fix has been published for CVE-2025-27492 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-27492 being exploited?

There is no known exploitation of CVE-2025-27492 in the wild and no public exploit code.

All Microsoft Windows 11 22h2 vulnerabilities

Sources

Also known as GHSA-m8qx-v899-58w7.