CRITICAL 9.1 Microsoft
CVE-2026-41103
Microsoft SSO Plugin for Jira & Confluence Elevation of Privilege Vulnerability
Microsoft Security Update 2026-May: Microsoft SSO Plugin for Jira & Confluence Elevation of Privilege Vulnerability
Affected Products
- Microsoft JIRA SAML SSO plugin
- Microsoft Confluence SAML SSO plugin
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41103
- https://nvd.nist.gov/vuln/detail/CVE-2026-41103
This critical severity vulnerability with a CVSS score of 9.1 was published on 2026-05-12 via Microsoft. EPSS score: 5.4% (top 8% of all CVEs by exploitation probability). Affected: Microsoft JIRA SAML SSO plugin, Microsoft Confluence SAML SSO plugin.
Risk Timeline
CVE Disclosed2026-05-12 · 83 days ago
Remediation Resources
Official Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41103NVD / MITRE
nvd.nist.gov/vuln/detail/CVE-2026-41103Related Vulnerabilities
| CVE | Title | Severity | CVSS |
|---|---|---|---|
| CVE-2026-56191 | Microsoft Exchange Online Tampering Vulnerability | CRITICAL | 10.0 |
| CVE-2026-57106 | Data Quality Elevation of Privilege Vulnerability | CRITICAL | 10.0 |
| CVE-2026-33819 | Microsoft Bing Remote Code Execution Vulnerability | CRITICAL | 10.0 |
| CVE-2026-32186 | Microsoft Bing Elevation of Privilege Vulnerability | CRITICAL | 10.0 |
| CVE-2026-35431 | Microsoft Entra ID Entitlement Management Spoofing Vulnerability | CRITICAL | 10.0 |
| CVE-2026-23652 | Microsoft Power Pages Remote Code Execution Vulnerability | CRITICAL | 10.0 |
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