CVE-2024-21923 Privilege escalation in AMD StoreMI™

High 7.3 Published Updated

An attacker can exploit incorrect default permissions in AMD StoreMI to escalate privileges and execute arbitrary code.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2024-21923?

CVE-2024-21923 is a high-severity vulnerability in AMD StoreMI™, published on 23 Nov 2025. 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

Incorrect default permissions in AMD StoreMI™ could allow an attacker to achieve privilege escalation potentially resulting in arbitrary code execution.

Weakness: CWE-426

Which versions are affected by CVE-2024-21923?

How do I fix CVE-2024-21923?

No fix has been published for CVE-2024-21923 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-21923 being exploited?

There is no known exploitation of CVE-2024-21923 in the wild and no public exploit code.

Sources

Also known as GHSA-c678-5j4j-vmq9.

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