CVE-2022-21881 Windows Kernel Elevation of Privilege Vulnerability

High 7.0 Published Updated

A race condition in the Windows kernel allows attackers to escalate privileges to SYSTEM level.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-21881?

CVE-2022-21881 is a high-severity vulnerability in Microsoft Windows 10, published on 11 Jan 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Windows Kernel Elevation of Privilege Vulnerability

Weakness: CWE-362

Which versions are affected by CVE-2022-21881?

It affects 6 products.

Products include Microsoft Windows 10, Microsoft Windows 8.1, Microsoft Windows Server, Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft Windows Server 2019.

How do I fix CVE-2022-21881?

No fix has been published for CVE-2022-21881 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-21881 being exploited?

There is no known exploitation of CVE-2022-21881 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-3qjg-v5jw-mj3f.

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