Elevation of Privilege Vulnerability in Microsoft AutoUpdate
CVE-2025-55317

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Autoupdate For Mac
Vendor
CVE Published:
9 September 2025

What is CVE-2025-55317?

An improper link resolution before file access vulnerability in Microsoft AutoUpdate could allow an authorized attacker to escalate privileges locally, potentially compromising system security. The flaw lies in how the software handles link following, enabling attackers with local access to exploit the gap, leading to unauthorized actions within the affected environment.

Affected Version(s)

Microsoft AutoUpdate for Mac Unknown 4.0.0 < 4.80

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.