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Description

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

PUBLISHED Reserved 2025-08-12 | Published 2025-09-09 | Updated 2025-09-25 | Assigner microsoft




HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Problem types

CWE-59: Improper Link Resolution Before File Access ('Link Following')

Product status

4.0.0 (custom) before 4.80
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55317 (Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability) vendor-advisory

cve.org (CVE-2025-55317)

nvd.nist.gov (CVE-2025-55317)

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