CVE-2025-55317CWE-59

Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability

High · published September 9, 2025

CVSS v3.1
7.8
EPSS
0%
Percentile
35.4
In the wild
Unconfirmed
What it is

Improper link resolution before file access ('link following') in Microsoft AutoUpdate (MAU) allows an authorized attacker to elevate privileges locally.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
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
CVSS v4.0
Not supplied
EPSS
0.00421 · 35.4th percentile
Weakness
CWE-59 · Improper Link Resolution Before File Access ('Link Following')
Published
2025-09-09T17:01Z
EPSS history
Timeline
  • 09 SEP 17:01Z
    Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability
    cvelistv5