CVE-2021-33752 Windows DNS Snap-in Remote Code Execution Vulnerability

High 8.8 Published Updated

An attacker can execute arbitrary code remotely via the Windows DNS Snap-in, requiring immediate patching for all affected Windows versions.

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-2021-33752?

CVE-2021-33752 is a high-severity code injection vulnerability in Microsoft Windows 10, published on 14 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 DNS Snap-in Remote Code Execution Vulnerability

Which versions are affected by CVE-2021-33752?

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-2021-33752?

No fix has been published for CVE-2021-33752 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-2021-33752 being exploited?

There is no known exploitation of CVE-2021-33752 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-2c94-m4c4-mjrq.

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