CVE-2021-34533 Windows Graphics Component Font Parsing Remote Code Execution Vulnerability

High 7.8 Published Updated

Attackers can execute arbitrary code by exploiting a vulnerability in the Windows Graphics Component font parsing mechanism.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-34533?

CVE-2021-34533 is a high-severity code injection vulnerability in Microsoft Windows 10, published on 12 Aug 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Windows Graphics Component Font Parsing Remote Code Execution Vulnerability

Which versions are affected by CVE-2021-34533?

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-2021-34533?

No fix has been published for CVE-2021-34533 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2021-34533 being exploited?

There is no known exploitation of CVE-2021-34533 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-ch36-6p5f-9jg4.

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