{"api_version":"1","generated_at":"2026-07-28T20:35:43+00:00","cve":"CVE-2026-64727","urls":{"html":"https://cve.report/CVE-2026-64727","api":"https://cve.report/api/cve/CVE-2026-64727.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64727","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64727"},"summary":{"title":"CVE-2026-64727","description":"A type confusion issue was addressed with improved memory handling. This issue is fixed in macOS Tahoe 26.6, tvOS 26.6. An app may be able to cause unexpected system termination.","state":"PUBLISHED","assigner":"apple","published_at":"2026-07-27 21:17:11","updated_at":"2026-07-28 19:17:40"},"problem_types":["CWE-843","An app may be able to cause unexpected system termination","CWE-843 CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')"],"metrics":[{"version":"3.1","source":"ADP","type":"DECLARED","score":"9.8","severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}},{"version":"3.1","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","score":"9.8","severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"references":[{"url":"https://support.apple.com/en-us/128069","name":"https://support.apple.com/en-us/128069","refsource":"product-security@apple.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://support.apple.com/en-us/128067","name":"https://support.apple.com/en-us/128067","refsource":"product-security@apple.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64727","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64727","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Apple","product":"macOS","version":"affected 26.6 custom","platforms":[]},{"source":"CNA","vendor":"Apple","product":"tvOS","version":"affected 26.6 custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}},{"other":{"content":{"id":"CVE-2026-64727","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-07-28T18:48:04.991525Z","version":"2.0.3"},"type":"ssvc"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-843","description":"CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-07-28T18:50:21.318Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"macOS","vendor":"Apple","versions":[{"lessThan":"26.6","status":"affected","version":"0","versionType":"custom"}]},{"product":"tvOS","vendor":"Apple","versions":[{"lessThan":"26.6","status":"affected","version":"0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"A type confusion issue was addressed with improved memory handling. This issue is fixed in macOS Tahoe 26.6, tvOS 26.6. An app may be able to cause unexpected system termination."}],"problemTypes":[{"descriptions":[{"description":"An app may be able to cause unexpected system termination","lang":"en"}]}],"providerMetadata":{"dateUpdated":"2026-07-27T20:13:58.610Z","orgId":"286789f9-fbc2-4510-9f9a-43facdede74c","shortName":"apple"},"references":[{"url":"https://support.apple.com/en-us/128067"},{"url":"https://support.apple.com/en-us/128069"}]}},"cveMetadata":{"assignerOrgId":"286789f9-fbc2-4510-9f9a-43facdede74c","assignerShortName":"apple","cveId":"CVE-2026-64727","datePublished":"2026-07-27T20:13:58.610Z","dateReserved":"2026-07-20T18:09:47.192Z","dateUpdated":"2026-07-28T18:50:21.318Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-27 21:17:11","lastModifiedDate":"2026-07-28 19:17:40","problem_types":["CWE-843","An app may be able to cause unexpected system termination","CWE-843 CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')"],"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:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-28T18:48:04.991525Z","id":"CVE-2026-64727","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64727","Ordinal":"1","Title":"CVE-2026-64727","CVE":"CVE-2026-64727","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64727","Ordinal":"1","NoteData":"A type confusion issue was addressed with improved memory handling. This issue is fixed in macOS Tahoe 26.6, tvOS 26.6. An app may be able to cause unexpected system termination.","Type":"Description","Title":"CVE-2026-64727"}]}}}