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Microsoft Security Response CenterCVE-2026-41103

Microsoft SSO Plugin for Jira & Confluence Elevation of Privilege Vulnerability

CriticalVendor CVSS 9.1 / 10 1 CVE Published May 12, 2026 at 7:00 AM UTC
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Summary

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

Products covered

  • Microsoft JIRA SAML SSO plugin

  • Microsoft Confluence SAML SSO plugin

Remediation

Release Notes

Vendor-listed fixes

  • 1.3.3

  • 7.4.0

CVEs in this advisory 1

CVE-2026-41103

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.

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