CVE-2025-21269 Windows HTML Platforms Security Feature Bypass Vulnerability

Medium 4.3 Published Updated

Attackers can bypass security features in the Windows HTML Platform, potentially exposing systems to further exploitation.

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-2025-21269?

CVE-2025-21269 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

Windows HTML Platforms Security Feature Bypass Vulnerability

Weakness: CWE-41

Which versions are affected by CVE-2025-21269?

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-2025-21269?

No fix has been published for CVE-2025-21269 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-21269 being exploited?

There is no known exploitation of CVE-2025-21269 in the wild and no public exploit code.

All Microsoft Windows 10 1507 vulnerabilities

Sources

Also known as GHSA-jf83-84h5-5cc4.

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