CVE-2021-40465 Windows Text Shaping Remote Code Execution Vulnerability

High 7.8 Published Updated

An attacker can execute arbitrary code on Windows systems by exploiting a vulnerability in the text shaping component.

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-2021-40465?

CVE-2021-40465 is a high-severity code injection vulnerability in Microsoft Windows 10, published on 13 Oct 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 Text Shaping Remote Code Execution Vulnerability

Which versions are affected by CVE-2021-40465?

It affects 11 products.

Products include Microsoft Windows 10, Microsoft Windows 11 21h2, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server and 5 more.

How do I fix CVE-2021-40465?

No fix has been published for CVE-2021-40465 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-2021-40465 being exploited?

There is no known exploitation of CVE-2021-40465 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-qgp7-vqxg-4gfr.

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