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    CVE-2026-61371

    Microsoft AVML before 0.17.0 could follow a symlink when opening a destination output path on Unix, allowing truncation/overwrite of the symlink target. The destructive effect is performed at open-time via O_TRUNC, and can happen before full input validation completes (“truncation-before-validation”).

    Published:Jul 15, 2026
    Last Modified:Jul 31, 2026
    EPS:Jul 15, 2026
    EPSS Score:0.00361
    CVSS Score:7.5

    Affected Products

    Vendor
    Microsoft
    Product
    Avml

    Exploits

    No exploit reference

    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