{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-86871","assignerOrgId":"286789f9-fbc2-4510-9f9a-43facdede74c","state":"PUBLISHED","assignerShortName":"apple","dateReserved":"2026-09-08T16:43:41.870Z","datePublished":"2026-10-20T00:50:43.774Z","dateUpdated":"2026-10-26T20:39:46.185Z"},"containers":{"cna":{"problemTypes":[{"descriptions":[{"lang":"en","description":"An attacker with control of a network file server may be able to cause unexpected system termination"}]}],"affected":[{"vendor":"Apple","product":"macOS","versions":[{"version":"0","status":"affected","lessThan":"15.8","versionType":"custom"},{"version":"0","status":"affected","lessThan":"26.7","versionType":"custom"},{"version":"0","status":"affected","lessThan":"27","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"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."}],"references":[{"url":"https://support.apple.com/en-us/149035"},{"url":"https://support.apple.com/en-us/149042"},{"url":"https://support.apple.com/en-us/149043"}],"providerMetadata":{"orgId":"286789f9-fbc2-4510-9f9a-43facdede74c","shortName":"apple","dateUpdated":"2026-10-26T20:39:46.185Z"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-190","lang":"en","description":"CWE-190 Integer Overflow or Wraparound"},{"type":"CWE","cweId":"CWE-20","lang":"en","description":"CWE-20 Improper Input Validation"}]}],"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":{"timestamp":"2026-10-20T14:39:26.599060Z","id":"CVE-2026-86871","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-20T14:39:35.352Z"}}]}}