CVE-2025-21370 Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability

High 7.8 Published Updated

An attacker can exploit a flaw in Windows VBS Enclave to elevate privileges on affected Windows 11 systems.

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-2025-21370?

CVE-2025-21370 is a high-severity vulnerability in Microsoft Windows 11 22h2, published on 14 Jan 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability

Weakness: CWE-20

Which versions are affected by CVE-2025-21370?

It affects 3 products.

Products include Microsoft Windows 11 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2.

How do I fix CVE-2025-21370?

No fix has been published for CVE-2025-21370 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-21370 being exploited?

There is no known exploitation of CVE-2025-21370 in the wild and no public exploit code.

All Microsoft Windows 11 22h2 vulnerabilities

Sources

Also known as GHSA-mxq3-vwh4-3gfm.

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