CVE-2025-53729 HIGH

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

Vendor Microsoft
Product Azure File Sync
Weakness CWE-284
Published August 12, 2025
Last update February 26, 2026

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

August 12, 2025 CVE published
February 26, 2026 Record updated