CVE-2025-55317
High
Description
Improper link resolution before file access ('link following') in Microsoft AutoUpdate (MAU) allows an authorized attacker to elevate privileges locally.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Microsoft Autoupdate
PublishedSep 9, 2025
First seenSep 9, 2025
Weakness typeCWE-59Improper link resolution
How to fix
Update
- microsoft autoupdate4.80 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft autoupdate | v < 4.80 | 4.80 |
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