CVE-2021-34446 Windows HTML Platforms Security Feature Bypass Vulnerability

High 8.0 Published Updated

Attackers can bypass security features in the Windows HTML Platform, potentially enabling further exploitation on affected Windows systems.

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-2021-34446?

CVE-2021-34446 is a high-severity vulnerability in Microsoft Windows 10, published on 16 Jul 2021. 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

Which versions are affected by CVE-2021-34446?

It affects 8 products.

Products include Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2008, Microsoft Windows Server 2012 and 2 more.

How do I fix CVE-2021-34446?

No fix has been published for CVE-2021-34446 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-34446 being exploited?

There is no known exploitation of CVE-2021-34446 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-hfw9-cf9w-2g5w.

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