CVE-2025-55317

7.8 highEPSS 0.4%

High (7.8) in microsoft autoupdate. EPSS 0.4% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

7.8 high

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 36% of CVEs (scores of 2026-10-31)
CWE: CWE-59
Published: 2025-09-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

microsoft:autoupdate

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55317

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