CVE-2026-41103

CRITICAL

Microsoft SSO Plugin for Jira & Confluence Elevation of Privilege Vulnerability

Title source: cna
STIX 2.1

Description

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

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Microsoft SSO Plugin for Jira & Confluence Elevation of Privilege Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41103

Scores

CVSS v3 9.1
EPSS 0.0017
EPSS Percentile 38.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-303
Status published
Products (4)
microsoft/confluence_saml_sso < 7.4.0
microsoft/jira_saml_sso < 1.3.3
Microsoft/Microsoft Confluence SAML SSO plugin 1.0.0 - 7.4.0
Microsoft/Microsoft JIRA SAML SSO plugin 1.0.0 - 1.3.3
Published May 12, 2026
Tracked Since May 12, 2026