CVE-2023-21804 Windows Graphics Component Elevation of Privilege Vulnerability

High 7.8 Published Updated

An attacker can exploit a memory corruption flaw in the Windows Graphics Component to escalate privileges on affected Windows systems.

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-2023-21804?

CVE-2023-21804 is a high-severity memory corruption vulnerability in Microsoft Windows 10, published on 14 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Windows Graphics Component Elevation of Privilege Vulnerability

Weakness: CWE-122

Which versions are affected by CVE-2023-21804?

It affects 12 products.

Products include Microsoft Windows 10, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 20h2, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2 and 6 more.

How do I fix CVE-2023-21804?

No fix has been published for CVE-2023-21804 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-21804 being exploited?

There is no known exploitation of CVE-2023-21804 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-78q6-cm7h-8gfm.

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