{"identifier":"CVE-2026-86868","cve":{"id":"CVE-2026-86868","description":"An authentication issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An attacker may be able to impersonate other users.","published":"2026-10-20T01:17:24.980000+00:00","modified":"2026-10-29T18:17:35.720000+00:00","status":"Undergoing Analysis","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":[],"weaknesses":["CWE-287"],"references":[{"url":"https://support.apple.com/en-us/149035","source":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/149042","source":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/149043","source":"product-security@apple.com"}],"kev":null,"kev_checked":true,"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","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":"2026-10-29T17:27:11.608006Z","id":"CVE-2026-86868","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[],"source":"nvd","retrieved_at":"2026-10-29T22:09:13.215313+00:00","exploited":false,"kev_stale":false,"products":[],"priority":{"label":"Critical technical severity","reasons":["CVSS is at least 9.0; exploitation is not established by severity alone."]},"epss":{"probability":0.00203,"percentile":0.1021,"date":"2026-10-28","stale":false},"version_assessment":null},"news":[],"campaigns":[],"domains":[{"domain":"support.apple.com","source_url":"https://support.apple.com/en-us/149035","investigate_url":"https://investigate.aeglixmind.com/#support.apple.com"}],"arsenal_url":"https://arsenal.aeglixmind.com/?cve=CVE-2026-86868","catalog_url":"https://cves.aeglixmind.com/cve/CVE-2026-86868","research_url":"https://investigate.aeglixmind.com/research/cve/CVE-2026-86868","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."}}