CVE-2025-21360 Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability

High 7.8 Published Updated

An attacker can exploit Microsoft AutoUpdate for Mac to gain elevated privileges on the system.

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-2025-21360?

CVE-2025-21360 is a high-severity vulnerability in Microsoft AutoUpdate for Mac, published on 14 Jan 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability

Weakness: CWE-269

Which versions are affected by CVE-2025-21360?

It affects 1 product.

Products include Microsoft Autoupdate.

How do I fix CVE-2025-21360?

No fix has been published for CVE-2025-21360 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-21360 being exploited?

There is no known exploitation of CVE-2025-21360 in the wild and no public exploit code.

Sources

Also known as GHSA-9g3c-26fp-962j.

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