CVE-2025-55317

Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability

Published Sep 9, 2025 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
Improper link resolution before file access ('link following') in Microsoft AutoUpdate (MAU) allows an authorized attacker to elevate privileges locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2025-27335 Improper link resolution before file access ('link following') in Microsoft AutoUpdate (MAU) allows an authorized attacker to elevate privileges locally.
History
Type Values Removed Values Added
First Time appeared Microsoft
Microsoft autoupdate
CPEs cpe:2.3:a:microsoft:autoupdate:*:*:*:*:*:macos:*:*
Vendors & Products Microsoft
Microsoft autoupdate
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper link resolution before file access ('link following') in Microsoft AutoUpdate (MAU) allows an authorized attacker to elevate privileges locally.
Title Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability
Weaknesses CWE-59
References
Metrics cvssV3_1

{'score': 7.8, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Feb 26, 2026, 5:48 PM
Reserved
Aug 12, 2025, 8:19 PM
Status
Analyzed
Published
Sep 9, 2025, 5:16 PM
Modified
Jun 17, 2026, 9:41 AM