CVE-2022-21888 Windows Modern Execution Server Remote Code Execution Vulnerability

High 7.8 Published Updated

An attacker can execute arbitrary code on affected Windows systems via the Modern Execution Server, requiring immediate patching.

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-2022-21888?

CVE-2022-21888 is a high-severity code injection vulnerability in Microsoft Windows 10, published on 11 Jan 2022. 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 Modern Execution Server Remote Code Execution Vulnerability

Which versions are affected by CVE-2022-21888?

It affects 4 products.

Products include Microsoft Windows 10, Microsoft Windows 11, Microsoft Windows Server, Microsoft Windows Server 2019.

How do I fix CVE-2022-21888?

No fix has been published for CVE-2022-21888 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-2022-21888 being exploited?

There is no known exploitation of CVE-2022-21888 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-hg6p-5f5m-gphh.

Is CVE-2022-21888 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free