{"identifier":"CVE-2026-41103","cve":{"id":"CVE-2026-41103","description":"Incorrect implementation of authentication algorithm in Microsoft SSO Plugin for Jira & Confluence allows an unauthorized attacker to elevate privileges over a network.","published":"2026-05-12T18:17:21.887000+00:00","modified":"2026-10-26T18:10:00.173000+00:00","status":"Analyzed","score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","cvss_version":"3.1","affected":[{"criteria":"cpe:2.3:a:microsoft:confluence_saml_sso:*:*:*:*:*:*:*:*","versionStartIncluding":"","versionStartExcluding":"","versionEndIncluding":"","versionEndExcluding":"7.4.0"},{"criteria":"cpe:2.3:a:microsoft:jira_saml_sso:*:*:*:*:*:*:*:*","versionStartIncluding":"","versionStartExcluding":"","versionEndIncluding":"","versionEndExcluding":"1.3.3"}],"weaknesses":["CWE-303","NVD-CWE-Other"],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41103","source":"secure@microsoft.com","tags":["Vendor Advisory"]}],"kev":null,"kev_checked":true,"metrics":{"cvssMetricV31":[{"source":"secure@microsoft.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","baseScore":9.1,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":5.2}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-05-07T00:00:00+00:00","id":"CVE-2026-41103","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:confluence_saml_sso:*:*:*:*:*:*:*:*","versionEndExcluding":"7.4.0","matchCriteriaId":"6C01FB1C-E5A4-4301-B254-4563DED756DE"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:jira_saml_sso:*:*:*:*:*:*:*:*","versionEndExcluding":"1.3.3","matchCriteriaId":"800FC063-A44B-42A3-930A-AE4EE8D1F8C1"}]}]}],"source":"nvd","retrieved_at":"2026-10-28T10:24:45.668618+00:00","exploited":false,"kev_stale":false,"products":["microsoft / confluence saml sso","microsoft / jira saml sso"],"priority":{"label":"Critical technical severity","reasons":["CVSS is at least 9.0; exploitation is not established by severity alone."]},"epss":{"probability":0.05378,"percentile":0.92619,"date":"2026-10-27","stale":false},"version_assessment":null},"news":[],"campaigns":[],"domains":[{"domain":"msrc.microsoft.com","source_url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41103","investigate_url":"https://investigate.aeglixmind.com/#msrc.microsoft.com"}],"arsenal_url":"https://arsenal.aeglixmind.com/?cve=CVE-2026-41103","catalog_url":"https://cves.aeglixmind.com/cve/CVE-2026-41103","research_url":"https://investigate.aeglixmind.com/research/cve/CVE-2026-41103","coverage":{"news_candidates_checked":0,"campaign_candidates_checked":0,"bounded":false,"notice":"Exact CVE mentions in stored public excerpts and reviewed campaign content only. A mention is not proof of exploitation, attribution or tool suitability. Missing matches do not establish absence."}}