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    CVE-2026-41103

    Incorrect implementation of authentication algorithm in Microsoft SSO Plugin for Jira & Confluence allows an unauthorized attacker to elevate privileges over a network.

    Published:May 12, 2026
    Last Modified:May 16, 2026
    EPS:May 12, 2026
    EPSS Score:0.00119
    CVSS Score:9.1

    Affected Products

    Vendor
    Microsoft
    Product
    Confluence Saml Sso
    Vendor
    Microsoft
    Product
    Confluence Saml Sso Plugin
    Vendor
    Microsoft
    Product
    Jira Saml Sso
    Vendor
    Microsoft
    Product
    Jira Saml Sso Plugin

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-90 Reflection Attack in Authentication Protocol

    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