CVE-2026-41103

Published: May 12, 2026

Modified: Jun 2, 2026

PUBLISHED

CVSS v3.1

9.1

CRITICAL

Description

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

Vendor	Product	Versions
Microsoft	Microsoft Confluence SAML SSO plugin	affected `1.0.0 - < 7.4.0`
Microsoft	Microsoft JIRA SAML SSO plugin	affected `1.0.0 - < 1.3.3`

Weaknesses (CWE)

CWE-303

CVSS v3.1 Details

CVSS v3.1 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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

References

Microsoft SSO Plugin for Jira & Confluence Elevation of Privilege Vulnerability

vendor-advisory

patch

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now

CVE-2026-41103

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References