What’s Vulnerable › Vulnerabilities

CVE-2025-29801: Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-04-08 · updated 2026-08-10
• Weakness: CWE-276

Description

Incorrect default permissions in Microsoft AutoUpdate (MAU) allows an authorized attacker to elevate privileges locally.

Affected products

• Microsoft AutoUpdate for Mac: before 4.78 — fixed in 4.78
• Microsoft AutoUpdate for Mac: from 4.0.0 before 4.78 — fixed in 4.78

How to fix

Upgrade to a fixed version: Microsoft AutoUpdate for Mac 4.78; Microsoft AutoUpdate for Mac 4.78. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29801

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