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    CVE-2026-23656

    Insufficient verification of data authenticity in Windows App Installer allows an unauthorized attacker to perform spoofing over a network.

    Published:Mar 10, 2026
    Last Modified:Apr 14, 2026
    EPS:Mar 10, 2026
    EPSS Score:0.00026
    CVSS Score:5.9

    Affected Products

    Vendor
    Microsoft
    Product
    Windows App
    Vendor
    Microsoft
    Product
    Windows App Client For Windows Desktop

    Exploits

    No exploit reference

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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