{"id":"CVE-2026-84590","state":"PUBLISHED","title":"An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A remote attacker","description":"An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A remote attacker may be able to cause unexpected app termination or heap corruption.","publishedAt":"2026-10-26T20:40:54.778Z","updatedAt":"2026-10-26T20:40:54.778Z","severity":null,"assigner":"apple","products":["Apple macOS"],"affected":[{"vendor":"Apple","product":"macOS","versions":[{"version":"0","status":"affected","lessThan":"15.8.2","versionType":"custom"},{"version":"0","status":"affected","lessThan":"26.7.2","versionType":"custom"},{"version":"0","status":"affected","lessThan":"27.2","versionType":"custom"}]}],"references":["https://support.apple.com/en-us/149521","https://support.apple.com/en-us/149522","https://support.apple.com/en-us/149523"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/84xxx/CVE-2026-84590.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-84590","state":"PUBLISHED","datePublished":"2026-10-26T20:40:54.778Z","dateUpdated":"2026-10-26T20:40:54.778Z","assignerShortName":"apple","assignerOrgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateReserved":"2026-09-01T21:13:17.758Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A remote attacker may be able to cause unexpected app termination or heap corruption."}],"affected":[{"vendor":"Apple","product":"macOS","versions":[{"version":"0","status":"affected","lessThan":"15.8.2","versionType":"custom"},{"version":"0","status":"affected","lessThan":"26.7.2","versionType":"custom"},{"version":"0","status":"affected","lessThan":"27.2","versionType":"custom"}]}],"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"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"A remote attacker may be able to cause unexpected app termination or heap corruption"}]}],"providerMetadata":{"shortName":"apple","orgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateUpdated":"2026-10-26T20:40:54.778Z"}}}}}