CVE-2026-41103

CVE Enrichment

CVSS: 9.1 CRITICAL
EPSS: 5.38%
EPSS Percentile: 92.67%
CISA KEV: Not listed

Description

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

Technical Details

CVSS Version: 3.1
CNA / NVD Source: [email protected]
Published: 13-May-2026 01:17
Last Modified: 27-Oct-2026 01:10
EPSS Date: 2026-11-03
CWE: CWE-303

CVSS Vector


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

CNA Products / Version Status

Microsoft · Microsoft Confluence SAML SSO plugin Source: CNA · [email protected]
Default status: unknown

1.0.0 ≤ version < 7.4.0 — affected (custom)
Microsoft · Microsoft JIRA SAML SSO plugin Source: CNA · [email protected]
Default status: unknown

1.0.0 ≤ version < 1.3.3 — affected (custom)

Affected Products / Versions

microsoft / confluence_saml_sso Source: NVD CPE · affected
Version / affected range: * · before (exclusive) 7.4.0
cpe:2.3:a:microsoft:confluence_saml_sso:*:*:*:*:*:*:*:*
microsoft / jira_saml_sso Source: NVD CPE · affected
Version / affected range: * · before (exclusive) 1.3.3
cpe:2.3:a:microsoft:jira_saml_sso:*:*:*:*:*:*:*:*

References

[email protected]

Last enrichment sync: 04-Nov-2026 00:07
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (1)

The most severe of these is CVE-2026-41103, a critical-severity flaw in the Microsoft SSO Plugin for Jira & Confluence that could lead to elevation of privilege. Microsoft Patches 137 Vulnerabilities; Adobe Fixes 52 Across 10 Products

CVE (2)

People (1)

Vendors (2)

Products (22)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.