CVE-2026-41103

Microsoft · Published May 12, 2026

9.1

CVSS v3.1

CRITICAL

Patch availableGet patch

Description

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.

Affected Products

Microsoft JIRA SAML SSO plugin
Microsoft Confluence SAML SSO plugin

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C