CVE-2025-55317
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-09

Last updated on: 2025-09-12

Assigner: Microsoft Corporation

Description
Improper link resolution before file access ('link following') in Microsoft AutoUpdate (MAU) allows an authorized attacker to elevate privileges locally.
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Meta Information
Published
2025-09-09
Last Modified
2025-09-12
Generated
2026-06-16
AI Q&A
2025-09-09
EPSS Evaluated
2026-06-15
NVD
EUVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft autoupdate to 4.80 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-59 The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
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Executive Summary

This vulnerability involves improper link resolution before file access in Microsoft AutoUpdate (MAU), which allows an authorized attacker to elevate their privileges locally on the affected system.

Impact Analysis

An attacker with local authorized access could exploit this vulnerability to gain higher privileges than intended, potentially leading to full control over the affected system and compromising confidentiality, integrity, and availability.

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