{"id":"CVE-2026-43773","state":"PUBLISHED","title":"An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Mounting a maliciously crafte","description":"An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory.","publishedAt":"2026-07-27T20:13:35.376Z","updatedAt":"2026-07-28T14:11:14.799Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"apple","products":["Apple macOS"],"affected":[{"vendor":"Apple","product":"macOS","versions":[{"version":"0","status":"affected","lessThan":"14.8.8","versionType":"custom"},{"version":"0","status":"affected","lessThan":"15.7.8","versionType":"custom"},{"version":"0","status":"affected","lessThan":"26.6","versionType":"custom"}]}],"references":["https://support.apple.com/en-us/128067","https://support.apple.com/en-us/128071","https://support.apple.com/en-us/128072"],"weaknesses":["CWE-125"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43773.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43773","state":"PUBLISHED","datePublished":"2026-07-27T20:13:35.376Z","dateUpdated":"2026-07-28T14:11:14.799Z","assignerShortName":"apple","assignerOrgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateReserved":"2026-05-01T22:46:27.818Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory."}],"affected":[{"vendor":"Apple","product":"macOS","versions":[{"version":"0","status":"affected","lessThan":"14.8.8","versionType":"custom"},{"version":"0","status":"affected","lessThan":"15.7.8","versionType":"custom"},{"version":"0","status":"affected","lessThan":"26.6","versionType":"custom"}]}],"references":[{"url":"https://support.apple.com/en-us/128067"},{"url":"https://support.apple.com/en-us/128071"},{"url":"https://support.apple.com/en-us/128072"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory"}]}],"providerMetadata":{"shortName":"apple","orgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateUpdated":"2026-07-27T20:13:35.376Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-07-28T14:11:10.259293Z","id":"CVE-2026-43773","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","type":"CWE","lang":"en","description":"CWE-125 Out-of-bounds Read"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-28T14:11:14.799Z"}}]}}}