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    CVE-2026-13043

    A missing authentication vulnerability in the Kernel Memory Access Driver (PSKMAD) used by WatchGuard endpoint security products allows a local, authenticated attacker to bypass the driver's access-control handshake and issue arbitrary privileged commands to the driver, resulting in disclosure of kernel and process memory.

    Published:Oct 1, 2026
    Last Modified:Oct 16, 2026
    EPS:Oct 1, 2026
    EPSS Score:0.00135
    CVSS Score:8.8

    Affected Products

    Vendor
    Microsoft
    Product
    Windows
    Vendor
    Watchguard
    Product
    Endpoint Security

    Exploits

    https://github.com/TheMalwareGuardian/CVE-2026-13043

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    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