CVE-2026-41103

Published: May 12, 2026Modified: Jun 17, 2026

9.1

Vector

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

Exploitability: 3.9 / Impact: 5.2

Source: secure@microsoft.com (Secondary)

Description

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

Affected (2)

Products: Microsoft: Confluence Saml Sso, Jira Saml Sso

Microsoft

2 products

Confluence Saml Sso

Jira Saml Sso

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Microsoft Confluence Saml Sso	Before 7.4.0
Microsoft Jira Saml Sso	Before 1.3.3

Related CWEs

CWE-303

Incorrect Implementation of Authentication Algorithm

The requirements for the product dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41103

Source: secure@microsoft.com

Vendor Advisory

Timeline

No history available yet.