CVE-2025-21360: Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability

Overview

Severity

High (CVSS 7.8)

CVSS 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

Category

Elevation of Privilege

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2025-Jan

Released

2025-01-14

Last Updated

2025-01-30

EPSS Score

0.22% (percentile: 44.4%)

FAQ

What privileges could be gained by an attacker who successfully exploited the vulnerability? An attacker who successfully exploits this vulnerability could elevate their privileges to perform commands as Root in the target environment.

Affected Products (1)

Microsoft Office

• Microsoft AutoUpdate for Mac

Security Updates (1)

• Release Notes

Acknowledgments

Anonymous

Revision History

• 2025-01-14: Information published.
• 2025-01-30: Updated one or more CVSS scores for the affected products. This is an informational change only.