{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2026-86991","sourceIdentifier":"product-security@apple.com","published":"2026-10-26T21:20:38.060","lastModified":"2026-11-04T17:04:11.267","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, visionOS 27.2. Processing a maliciously crafted file may lead to unexpected process termination."}],"affected":[{"source":"product-security@apple.com","affectedData":[{"vendor":"Apple","product":"iOS and iPadOS","versions":[{"version":"0","lessThan":"26.7.2","versionType":"custom","status":"affected"},{"version":"0","lessThan":"27.2","versionType":"custom","status":"affected"}]},{"vendor":"Apple","product":"macOS","versions":[{"version":"0","lessThan":"15.8.2","versionType":"custom","status":"affected"},{"version":"0","lessThan":"26.7.2","versionType":"custom","status":"affected"},{"version":"0","lessThan":"27.2","versionType":"custom","status":"affected"}]},{"vendor":"Apple","product":"visionOS","versions":[{"version":"0","lessThan":"27.2","versionType":"custom","status":"affected"}]}]}],"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:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-11-03T21:04:07.572293Z","id":"CVE-2026-86991","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-120"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*","versionEndExcluding":"26.7.2","matchCriteriaId":"322F8B78-6467-49C1-BE61-AB834FE342AD"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*","versionStartIncluding":"27.0","versionEndExcluding":"27.2","matchCriteriaId":"95A89207-5DC1-4DBB-BBB6-C614D03B1791"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*","versionEndExcluding":"26.7.2","matchCriteriaId":"63A66827-2B9D-42CE-AABA-C8847A3EABA4"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*","versionStartIncluding":"27.0","versionEndExcluding":"27.2","matchCriteriaId":"58046CBD-2CCD-4E1E-9316-F7080E4D7B08"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*","versionStartIncluding":"15.0","versionEndExcluding":"15.8.2","matchCriteriaId":"855F5ECD-CA54-4DB4-8AD6-86383177270D"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*","versionStartIncluding":"26.0","versionEndExcluding":"26.7.2","matchCriteriaId":"C07128F2-DA38-4B58-B8F5-5F1DA299EE2C"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*","versionStartIncluding":"27.0","versionEndExcluding":"27.2","matchCriteriaId":"12846F95-3F15-4909-9FD2-591AA176A6F0"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*","versionEndExcluding":"27.2","matchCriteriaId":"94C660EA-F6CF-42D8-82DA-31BFD33DD524"}]}]}],"references":[{"url":"https://support.apple.com/en-us/149227","source":"product-security@apple.com","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/149230","source":"product-security@apple.com","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/149521","source":"product-security@apple.com","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/149522","source":"product-security@apple.com","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/149523","source":"product-security@apple.com","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/149526","source":"product-security@apple.com","tags":["Release Notes","Vendor Advisory"]}]}}