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    CVE-2026-83711

    Authorization bypass through user-controlled key in Microsoft Azure Active Directory B2C allows an unauthorized attacker to elevate privileges over a network.

    Published:Sep 3, 2026
    Last Modified:Sep 5, 2026
    EPS:Sep 3, 2026
    EPSS Score:0.00582
    CVSS Score:10

    Affected Products

    Vendor
    Microsoft
    Product
    Azure Active Directory B2c
    Vendor
    Microsoft
    Product
    Entra Id

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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