CVE-2025-29973 Microsoft Azure File Sync Elevation of Privilege Vulnerability
An authorized local attacker can elevate privileges 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-2025-29973?
CVE-2025-29973 is a high-severity vulnerability in Microsoft Azure File Sync, published on 13 May 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-2025-29973?
It affects 1 product.
Products include Microsoft Azure File Sync.
How do I fix CVE-2025-29973?
No fix has been published for CVE-2025-29973 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-29973 being exploited?
There is no known exploitation of CVE-2025-29973 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Azure File Sync
Sources
Also known as GHSA-2c3j-mwh6-x6f2.