{"id":"CVE-2026-28991","state":"PUBLISHED","title":"An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.8.2, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5","description":"An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.8.2, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An app may be able to cause a denial-of-service.","publishedAt":"2026-05-11T20:08:10.556Z","updatedAt":"2026-10-26T20:38:09.811Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"apple","products":["Apple iOS and iPadOS","Apple macOS","Apple tvOS","Apple visionOS","Apple watchOS"],"affected":[{"vendor":"Apple","product":"iOS and iPadOS","versions":[{"version":"0","status":"affected","lessThan":"26.5","versionType":"custom"}]},{"vendor":"Apple","product":"macOS","versions":[{"version":"0","status":"affected","lessThan":"15.8.2","versionType":"custom"},{"version":"0","status":"affected","lessThan":"26.5","versionType":"custom"}]},{"vendor":"Apple","product":"tvOS","versions":[{"version":"0","status":"affected","lessThan":"26.5","versionType":"custom"}]},{"vendor":"Apple","product":"visionOS","versions":[{"version":"0","status":"affected","lessThan":"26.5","versionType":"custom"}]},{"vendor":"Apple","product":"watchOS","versions":[{"version":"0","status":"affected","lessThan":"26.5","versionType":"custom"}]}],"references":["https://support.apple.com/en-us/127110","https://support.apple.com/en-us/127115","https://support.apple.com/en-us/127118","https://support.apple.com/en-us/127119","https://support.apple.com/en-us/127120","https://support.apple.com/en-us/149523"],"weaknesses":["CWE-125"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/28xxx/CVE-2026-28991.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-28991","state":"PUBLISHED","datePublished":"2026-05-11T20:08:10.556Z","dateUpdated":"2026-10-26T20:38:09.811Z","assignerShortName":"apple","assignerOrgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateReserved":"2026-03-03T16:36:03.995Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.8.2, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An app may be able to cause a denial-of-service."}],"affected":[{"vendor":"Apple","product":"iOS and iPadOS","versions":[{"version":"0","status":"affected","lessThan":"26.5","versionType":"custom"}]},{"vendor":"Apple","product":"macOS","versions":[{"version":"0","status":"affected","lessThan":"15.8.2","versionType":"custom"},{"version":"0","status":"affected","lessThan":"26.5","versionType":"custom"}]},{"vendor":"Apple","product":"tvOS","versions":[{"version":"0","status":"affected","lessThan":"26.5","versionType":"custom"}]},{"vendor":"Apple","product":"visionOS","versions":[{"version":"0","status":"affected","lessThan":"26.5","versionType":"custom"}]},{"vendor":"Apple","product":"watchOS","versions":[{"version":"0","status":"affected","lessThan":"26.5","versionType":"custom"}]}],"references":[{"url":"https://support.apple.com/en-us/127110"},{"url":"https://support.apple.com/en-us/127115"},{"url":"https://support.apple.com/en-us/127118"},{"url":"https://support.apple.com/en-us/127119"},{"url":"https://support.apple.com/en-us/127120"},{"url":"https://support.apple.com/en-us/149523"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"An app may be able to cause a denial-of-service"}]}],"providerMetadata":{"shortName":"apple","orgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateUpdated":"2026-10-26T20:38:09.811Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-05-12T17:24:04.270320Z","id":"CVE-2026-28991","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"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":"2026-05-12T17:24:25.187Z"}}]}}}