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    CVE-2021-34466

    Windows Hello Security Feature Bypass Vulnerability

    Published:Jul 16, 2021
    Last Modified:Aug 10, 2026
    EPS:Jul 16, 2021
    EPSS Score:0.00649
    CVSS Score:5.7

    Affected Products

    Vendor
    Microsoft
    Product
    Windows 10
    Vendor
    Microsoft
    Product
    Windows 10 1809
    Vendor
    Microsoft
    Product
    Windows 10 1909
    Vendor
    Microsoft
    Product
    Windows 10 20H2
    Vendor
    Microsoft
    Product
    Windows 10 21H1

    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