CVE-2025-55333 Windows BitLocker Security Feature Bypass Vulnerability

Medium 6.1 Published Updated

An attacker with physical access can bypass Windows BitLocker security features due to an incomplete comparison, requiring a patch.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-55333?

CVE-2025-55333 is a medium-severity vulnerability in Microsoft Windows 10 1507, published on 14 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Incomplete comparison with missing factors in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.

Weakness: CWE-1023

Which versions are affected by CVE-2025-55333?

It affects 14 products.

Products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 22h2 and 8 more.

How do I fix CVE-2025-55333?

No fix has been published for CVE-2025-55333 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-55333 being exploited?

There is no known exploitation of CVE-2025-55333 in the wild and no public exploit code.

All Microsoft Windows 10 1507 vulnerabilities

Sources

Also known as GHSA-vm86-55h3-w686.

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