{"schema_version":"1","view":"events","data":[{"id":41979,"advisory_id":"8620b9bd-3697-4707-a129-e7b6c24ace4b","group_id":"advisory:8620b9bd-3697-4707-a129-e7b6c24ace4b","revision":1,"source_id":"core-cve","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-84521","source_published_at":"2026-09-14T20:47:13.035+00:00","published_at":"2026-10-25T11:37:45.920614+00:00","extraction_method":"structured","technologies":["core-cve","ios-and-ipados","macos","visionos"],"cve_ids":["CVE-2026-84521"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"CVE-2026-84521","summary":"A use after free issue was addressed with improved memory management. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, visionOS 27. An app may be able to cause unexpected system termination.","evidence":"cve:CVE-2026-84521","products":[{"name":{"value":"iOS and iPadOS","evidence":"/containers/cna/affected/0/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]},{"name":{"value":"macOS","evidence":"/containers/cna/affected/1/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]},{"name":{"value":"visionOS","evidence":"/containers/cna/affected/2/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2026-84521","aliases":["CVE-2026-84521"],"metrics":[],"affected":[{"vendor":"Apple","product":"iOS and iPadOS","versions":[{"status":"affected","version":"0","lessThan":"26.7","versionType":"custom"},{"status":"affected","version":"0","lessThan":"27","versionType":"custom"}]},{"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"}]},{"vendor":"Apple","product":"visionOS","versions":[{"status":"affected","version":"0","lessThan":"27","versionType":"custom"}]}],"modified":"2026-10-20T00:50:29.093Z","provider":"cve","references":["https://support.apple.com/en-us/149034","https://support.apple.com/en-us/149035","https://support.apple.com/en-us/149038","https://support.apple.com/en-us/149041","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":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2026-84521","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-09-15T16:44:03.398581Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-416","description":"CWE-416 Use After Free"}]}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-15T16:44:07.457Z"}}],"cna":{"orgId":"286789f9-fbc2-4510-9f9a-43facdede74c","shortName":"apple","dateUpdated":"2026-10-20T00:50:29.093Z"}}},"related_cves":[{"value":"CVE-2026-84521","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,"detail_url":"/events/41979"}],"next_after":41979,"next_before":41979}