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TI-2025-15327 Aliases CVE-2025-21360GHSA-9g3c-26fp-962j

Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability

Priority LOW 36CWE-269Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.

Summary

Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00453 39th percentileScored 2026-11-07
Fix Fixed Microsoft AutoUpdate for Mac (Microsoft): 4.76

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft AutoUpdate for Mac4.0.0 to before 4.764.76Patch availableCNA
  • Microsoft AutoUpdate for Mac VendorMicrosoft Affected 4.0.0 to before 4.76 Fixed in 4.76 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:autoupdate:*:*:*:*:*:macos:*:*before 4.76VulnerableMicrosoft
  • cpe:2.3:a:microsoft:autoupdate:*:*:*:*:*:macos:*:* Versions before 4.76 Vulnerable ·Microsoft

Remediation

  • Fix · CNA Microsoft AutoUpdate for Mac (Microsoft) Fixed in 4.76

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Elevation of Privilege
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Microsoft AutoUpdate for MacFixed 4.76 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-21360
  2. 2026-10-03 Alias added: GHSA-9g3c-26fp-962j

References

Patch 1

  • TI-2025-21209 Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.8
  • TI-2025-21208 Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.8
  • TI-2024-29132 Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.8
  • TI-2025-34972 Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.8
  • TI-2025-30357 Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.8
  • TI-2020-00954 Improper input validation in Microsoft AutoUpdate for Mac CVSS 3.1HIGH 7.8
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences