{"id":"CVE-2026-64771","state":"PUBLISHED","title":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26","description":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6. A remote attacker may be able to cause unexpected application termination or heap corruption.","publishedAt":"2026-07-27T20:13:54.442Z","updatedAt":"2026-08-17T21:30:54.841Z","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 iOS and iPadOS","Apple macOS","Apple tvOS","Apple visionOS"],"affected":[{"vendor":"Apple","product":"iOS and iPadOS","versions":[{"version":"0","status":"affected","lessThan":"18.7.10","versionType":"custom"},{"version":"0","status":"affected","lessThan":"26.6","versionType":"custom"}]},{"vendor":"Apple","product":"macOS","versions":[{"version":"0","status":"affected","lessThan":"15.7.8","versionType":"custom"},{"version":"0","status":"affected","lessThan":"26.6","versionType":"custom"}]},{"vendor":"Apple","product":"tvOS","versions":[{"version":"0","status":"affected","lessThan":"26.6","versionType":"custom"}]},{"vendor":"Apple","product":"visionOS","versions":[{"version":"0","status":"affected","lessThan":"26.6","versionType":"custom"}]}],"references":["https://support.apple.com/en-us/128066","https://support.apple.com/en-us/128067","https://support.apple.com/en-us/128069","https://support.apple.com/en-us/128070","https://support.apple.com/en-us/128071","https://support.apple.com/en-us/148287"],"weaknesses":["CWE-119"],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/64xxx/CVE-2026-64771.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64771","state":"PUBLISHED","datePublished":"2026-07-27T20:13:54.442Z","dateUpdated":"2026-08-17T21:30:54.841Z","assignerShortName":"apple","assignerOrgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateReserved":"2026-07-20T18:10:53.025Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6. A remote attacker may be able to cause unexpected application termination or heap corruption."}],"affected":[{"vendor":"Apple","product":"iOS and iPadOS","versions":[{"version":"0","status":"affected","lessThan":"18.7.10","versionType":"custom"},{"version":"0","status":"affected","lessThan":"26.6","versionType":"custom"}]},{"vendor":"Apple","product":"macOS","versions":[{"version":"0","status":"affected","lessThan":"15.7.8","versionType":"custom"},{"version":"0","status":"affected","lessThan":"26.6","versionType":"custom"}]},{"vendor":"Apple","product":"tvOS","versions":[{"version":"0","status":"affected","lessThan":"26.6","versionType":"custom"}]},{"vendor":"Apple","product":"visionOS","versions":[{"version":"0","status":"affected","lessThan":"26.6","versionType":"custom"}]}],"references":[{"url":"https://support.apple.com/en-us/128066"},{"url":"https://support.apple.com/en-us/128067"},{"url":"https://support.apple.com/en-us/128069"},{"url":"https://support.apple.com/en-us/128070"},{"url":"https://support.apple.com/en-us/128071"},{"url":"https://support.apple.com/en-us/148287"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"A remote attacker may be able to cause unexpected application termination or heap corruption"}]}],"providerMetadata":{"shortName":"apple","orgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateUpdated":"2026-08-17T21:30:54.841Z"}},"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":"2026-07-28T14:00:07.161761Z","id":"CVE-2026-64771","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-119","type":"CWE","lang":"en","description":"CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-28T14:00:16.924Z"}}]}}}