What’s Vulnerable › Vulnerabilities
CVE-2026-41103: Microsoft SSO Plugin for Jira & Confluence Elevation of Privilege Vulnerability
- Severity: critical (CVSS 9.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 5.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-05-12 · updated 2026-10-26
- Weakness: CWE-303
Description
Incorrect implementation of authentication algorithm in Microsoft SSO Plugin for Jira & Confluence allows an unauthorized attacker to elevate privileges over a network.
Affected products
- Microsoft Confluence Saml Sso: before 7.4.0 — fixed in 7.4.0
- Microsoft Jira Saml Sso: before 1.3.3 — fixed in 1.3.3
- Microsoft Confluence SAML SSO plugin: from 1.0.0 before 7.4.0 — fixed in 7.4.0
- Microsoft JIRA SAML SSO plugin: from 1.0.0 before 1.3.3 — fixed in 1.3.3
How to fix
Upgrade to a fixed version: Microsoft Confluence Saml Sso 7.4.0; Microsoft Jira Saml Sso 1.3.3; Microsoft Confluence SAML SSO plugin 7.4.0; Microsoft JIRA SAML SSO plugin 1.3.3. Check the vendor advisory for mitigations.
References
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