What is CVE-2025-55317?

CVE-2025-55317 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2025-55317 cover?

CVE-2025-55317 covers the following CVE IDs: CVE-2025-55317. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-55317?

CVE-2025-55317 has a CVSS v3 base score of 7.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2025-55317?

CVE-2025-55317 affects 1 product, including: Microsoft AutoUpdate for Mac.

CVE-2025-55317HighCVSS 7.8

Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

June 3, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2025-55317 →

📋 Description

Improper link resolution before file access ('link following') in Microsoft AutoUpdate (MAU) allows an authorized attacker to elevate privileges locally.

🎯 Affected products1

Microsoft AutoUpdate for Mac

✅ Remediation

KBMAU (Security Update) — fixed build 4.80

🔗 References (3)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55317
patchhttps://go.microsoft.com/fwlink/p/?linkid=830196
referencehttps://support.office.com/en-us/article/Check-for-Office-for-Mac-updates-automatically-bfd1e497-c24d-4754-92ab-910a4074d7c1