{"schema_version":"1","data":[{"id":42222,"advisory_id":"fa712f06-4902-41a2-9fab-f596720f7d40","revision":1,"source_id":"core-cve","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-86871","source_published_at":"2026-10-20T00:50:43.774+00:00","published_at":"2026-10-25T11:40:30.707471+00:00","extraction_method":"structured","technologies":["core-cve","macos"],"cve_ids":["CVE-2026-86871"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"CVE-2026-86871","summary":"An integer underflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An attacker with control of a network file server may be able to cause unexpected system termination.","evidence":"cve:CVE-2026-86871","products":[{"name":{"value":"macOS","evidence":"/containers/cna/affected/0/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2026-86871","aliases":["CVE-2026-86871"],"metrics":[],"affected":[{"vendor":"Apple","product":"macOS","versions":[{"status":"affected","version":"0","lessThan":"15.8","versionType":"custom"},{"status":"affected","version":"0","lessThan":"26.7","versionType":"custom"},{"status":"affected","version":"0","lessThan":"27","versionType":"custom"}]}],"modified":"2026-10-20T14:39:35.352Z","provider":"cve","references":["https://support.apple.com/en-us/149035","https://support.apple.com/en-us/149042","https://support.apple.com/en-us/149043"],"provider_metadata":{"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.9,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2026-86871","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-20T14:39:26.599060Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-190","description":"CWE-190 Integer Overflow or Wraparound"},{"lang":"en","type":"CWE","cweId":"CWE-20","description":"CWE-20 Improper Input Validation"}]}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-20T14:39:35.352Z"}}],"cna":{"orgId":"286789f9-fbc2-4510-9f9a-43facdede74c","shortName":"apple","dateUpdated":"2026-10-20T00:50:43.774Z"}}},"related_cves":[{"value":"CVE-2026-86871","evidence":"/cveMetadata/cveId"}],"security_relevant":true,"severity_evidence":null},"priority":{"reasons":[],"severity":"unknown","linked_cves":[],"fix_available":false,"known_exploited":false,"publisher_severity":"unknown"},"context_update":false}],"next_after":42222,"next_before":42222}