CVE-2026-41103

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

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41103	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:confluence_saml_sso::::::::
	cpe:2.3:a:microsoft:jira_saml_sso::::::::

History

26 Oct 2026, 18:10

Type	Values Removed	Values Added
Summary		(es) Implementación incorrecta del algoritmo de autenticación en el plugin de SSO de Microsoft para Jira y Confluence permite a un atacante no autorizado elevar privilegios sobre una red.

Information

Published : 2026-05-12 18:17

Updated : 2026-10-26 18:10

NVD link : CVE-2026-41103

Mitre link : CVE-2026-41103

CVE.ORG link : CVE-2026-41103

JSON object : View

Products Affected

microsoft

confluence_saml_sso
jira_saml_sso

CWE

CWE-303

Incorrect Implementation of Authentication Algorithm

NVD-CWE-Other

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