CVE-2025-21332 MapUrlToZone Security Feature Bypass Vulnerability

Medium 4.3 Published Updated

Attackers can bypass MapUrlToZone security features in Microsoft Windows, potentially circumventing internet zone restrictions.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-21332?

CVE-2025-21332 is a medium-severity vulnerability in Microsoft Windows 10 1507, published on 14 Jan 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

MapUrlToZone Security Feature Bypass Vulnerability

Weakness: CWE-41

Which versions are affected by CVE-2025-21332?

It affects 15 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 9 more.

How do I fix CVE-2025-21332?

No fix has been published for CVE-2025-21332 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-21332 being exploited?

There is no known exploitation of CVE-2025-21332 in the wild and no public exploit code.

All Microsoft Windows 10 1507 vulnerabilities

Sources

Also known as GHSA-3pvj-gf5m-rhhf.

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