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    CVE-2020-36938

    WinAVR version 20100110 contains an insecure permissions vulnerability that allows authenticated users to modify system files and executables. Attackers can leverage the overly permissive access controls to potentially modify critical DLLs and executable files in the WinAVR installation directory.

    Published:Jan 27, 2026
    Last Modified:Apr 15, 2026
    EPS:Jan 27, 2026
    EPSS Score:0.00032
    CVSS Score:8.8

    Affected Products

    Vendor
    Winavr
    Product
    Winavr

    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