{"api_version":"1","generated_at":"2026-11-03T19:49:54+00:00","cve":"CVE-2026-86946","urls":{"html":"https://cve.report/CVE-2026-86946","api":"https://cve.report/api/cve/CVE-2026-86946.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-86946","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-86946"},"summary":{"title":"CVE-2026-86946","description":"A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to cause unexpected system termination or corrupt kernel memory.","state":"PUBLISHED","assigner":"apple","published_at":"2026-10-26 21:20:32","updated_at":"2026-11-03 18:18:06"},"problem_types":["CWE-416","An app may be able to cause unexpected system termination or corrupt kernel memory","CWE-416 CWE-416 Use After Free"],"metrics":[{"version":"3.1","source":"ADP","type":"DECLARED","score":"7.7","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","data":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.7,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","version":"3.1"}},{"version":"3.1","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","score":"7.7","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","baseScore":7.7,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"references":[{"url":"https://support.apple.com/en-us/149521","name":"https://support.apple.com/en-us/149521","refsource":"product-security@apple.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://support.apple.com/en-us/149523","name":"https://support.apple.com/en-us/149523","refsource":"product-security@apple.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://support.apple.com/en-us/149522","name":"https://support.apple.com/en-us/149522","refsource":"product-security@apple.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-86946","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86946","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Apple","product":"macOS","version":"affected 15.8.2 custom","platforms":[]},{"source":"CNA","vendor":"Apple","product":"macOS","version":"affected 26.7.2 custom","platforms":[]},{"source":"CNA","vendor":"Apple","product":"macOS","version":"affected 27.2 custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"86946","cve":"CVE-2026-86946","epss":"0.002180000","percentile":"0.122470000","score_date":"2026-10-27","updated_at":"2026-10-28 00:14:13"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.7,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","version":"3.1"}},{"other":{"content":{"id":"CVE-2026-86946","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-11-03T17:38:50.723947Z","version":"2.0.3"},"type":"ssvc"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","description":"CWE-416 Use After Free","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-11-03T17:39:10.103Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"15.8.2","status":"affected","version":"0","versionType":"custom"},{"lessThan":"26.7.2","status":"affected","version":"0","versionType":"custom"},{"lessThan":"27.2","status":"affected","version":"0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to cause unexpected system termination or corrupt kernel memory."}],"problemTypes":[{"descriptions":[{"description":"An app may be able to cause unexpected system termination or corrupt kernel memory","lang":"en"}]}],"providerMetadata":{"dateUpdated":"2026-10-26T20:34:54.475Z","orgId":"286789f9-fbc2-4510-9f9a-43facdede74c","shortName":"apple"},"references":[{"url":"https://support.apple.com/en-us/149521"},{"url":"https://support.apple.com/en-us/149522"},{"url":"https://support.apple.com/en-us/149523"}]}},"cveMetadata":{"assignerOrgId":"286789f9-fbc2-4510-9f9a-43facdede74c","assignerShortName":"apple","cveId":"CVE-2026-86946","datePublished":"2026-10-26T20:34:54.475Z","dateReserved":"2026-09-08T16:43:41.880Z","dateUpdated":"2026-11-03T17:39:10.103Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-26 21:20:32","lastModifiedDate":"2026-11-03 18:18:06","problem_types":["CWE-416","An app may be able to cause unexpected system termination or corrupt kernel memory","CWE-416 CWE-416 Use After Free"],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","baseScore":7.7,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.5,"impactScore":5.2}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-11-03T17:38:50.723947Z","id":"CVE-2026-86946","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"86946","Ordinal":"1","Title":"CVE-2026-86946","CVE":"CVE-2026-86946","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"86946","Ordinal":"1","NoteData":"A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to cause unexpected system termination or corrupt kernel memory.","Type":"Description","Title":"CVE-2026-86946"}]}}}