Improper access control in Azure File Sync - CVE-2025-53729
Published: August 13, 2025
Vulnerability identifier: #VU114008
CSH Severity: Low
CVSS v4 BT: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2025-53729
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-2025-53729
Install updates from vendor's website.