CVE-2021-28340 Remote Procedure Call Runtime Remote Code Execution Vulnerability

High 8.8 Published Updated

An attacker can execute arbitrary code remotely via the Windows RPC Runtime, affecting multiple Windows versions.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-28340?

CVE-2021-28340 is a high-severity code injection vulnerability in Microsoft Windows 10, published on 13 Apr 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Remote Procedure Call Runtime Remote Code Execution Vulnerability

Which versions are affected by CVE-2021-28340?

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-2021-28340?

No fix has been published for CVE-2021-28340 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-2021-28340 being exploited?

There is no known exploitation of CVE-2021-28340 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-fq78-jw2r-hqcx.

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