Improper access control in Azure File Sync - CVE-2025-29973

 

Improper access control in Azure File Sync - CVE-2025-29973

Published: May 13, 2025


Vulnerability identifier: #VU109095
CSH Severity: Low
CVSS v4 BT: 4.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2025-29973
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in Microsoft Azure File Sync. A local user can bypass implemented security restrictions and gain elevated privileges on the system.


Affected software

Azure File Sync

How to mitigate CVE-2025-29973

Install updates from vendor's website.


External References

Related Security Bulletins