CVE-2025-53729 Microsoft Azure File Sync Elevation of Privilege Vulnerability

High 7.8 Published Updated

An authorized attacker can elevate privileges locally due to improper access control in Microsoft Azure File Sync.

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-2025-53729?

CVE-2025-53729 is a high-severity vulnerability in Microsoft Azure File Sync, published on 12 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper access control in Azure File Sync allows an authorized attacker to elevate privileges locally.

Weakness: CWE-284

Which versions are affected by CVE-2025-53729?

It affects 1 product.

Products include Microsoft Azure File Sync.

How do I fix CVE-2025-53729?

No fix has been published for CVE-2025-53729 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-53729 being exploited?

There is no known exploitation of CVE-2025-53729 in the wild and no public exploit code.

Sources

Also known as GHSA-h6cw-pcv6-jq7g.

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