Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
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.
Security updates
4.76 — https://learn.microsoft.com/en-us/officeupdates/release-history-microsoft-autoupdate
Vulnerabilities 1
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High 7.8
Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability
Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability
Revision history
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#2
Updated one or more CVSS scores for the affected products. This is an informational change only.
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#1
Information published.
References
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CVE-2025-21360 Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21360
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss