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Microsoft Security Response CenterCVE-2026-41103

Microsoft SSO Plugin for Jira & Confluence Elevation of Privilege Vulnerability

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

Read the vendor bulletin Get alerts for Microsoft JIRA SAML SSO plugin
9.1CVSS out of 10Critical severity
Scope

What the vendor says is affected

  • Microsoft JIRA SAML SSO plugin
  • Microsoft Confluence SAML SSO plugin

Versions the vendor lists as fixed

  • 1.3.3
  • 7.4.0
Next step

What the vendor recommends

Release Notes

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  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.

Vulnerabilities

CVEs named in this advisory

CVE-2026-41103View CVSS, KEV, EPSS, and threat context
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