Link following in Microsoft AutoUpdate for macOS - CVE-2025-55317

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU115083

Link following in Microsoft AutoUpdate for macOS - CVE-2025-55317

Published: September 9, 2025


Vulnerability identifier: #VU115083
CSH Severity: Low
CVSS v4.0: 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-2025-55317
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Microsoft AutoUpdate for macOS

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to an insecure link following issue in Microsoft AutoUpdate (MAU). A local user can use a malicious installer and gain elevated privileges on the target system.


How to mitigate CVE-2025-55317

Install updates from vendor's website.

Sources