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    CVE-2025-55317

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

    Published:Sep 9, 2025
    Last Modified:Feb 26, 2026
    EPS:Sep 9, 2025
    EPSS Score:0.00079
    CVSS Score:7.8

    Affected Products

    Vendor
    Microsoft
    Product
    Autoupdate

    Exploits

    No exploit reference

    Related CVEs

    CVE-2025-47968 (CVSS 7.8) — Improper input validation in Microsoft AutoUpdate (MAU) allows an authorized attacker to elevate privileges lo…
    CVE-2025-29801 (CVSS 7.8) — Incorrect default permissions in Microsoft AutoUpdate (MAU) allows an authorized attacker to elevate privilege…
    CVE-2025-29800 (CVSS 7.8) — Improper privilege management in Microsoft AutoUpdate (MAU) allows an authorized attacker to elevate privilege…
    CVE-2025-24036 (CVSS 7) — Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability…
    CVE-2025-21360 (CVSS 7.8) — Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability…
    CVE-2024-43492 (CVSS 7.8) — Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability…
    CVE-2020-0984 (CVSS 7.8) — An elevation of privilege vulnerability exists when the Microsoft AutoUpdate (MAU) application for Mac imprope…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High