CVE-2025-64658 Windows File Explorer Elevation of Privilege Vulnerability

High 7.5 Published Updated

A race condition in Windows Shell allows an authorized local attacker to elevate privileges.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-64658?

CVE-2025-64658 is a high-severity vulnerability in Microsoft Windows 10 1809, published on 9 Dec 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

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

Weakness: CWE-362

Which versions are affected by CVE-2025-64658?

It affects 10 products.

Products include Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2, Microsoft Windows 11 25h2 and 4 more.

How do I fix CVE-2025-64658?

No fix has been published for CVE-2025-64658 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-64658 being exploited?

There is no known exploitation of CVE-2025-64658 in the wild and no public exploit code.

All Microsoft Windows 10 1809 vulnerabilities

Sources

Also known as GHSA-fhmq-36m9-74f3.

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