{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86991", "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "state": "PUBLISHED", "assignerShortName": "apple", "dateReserved": "2026-09-08T16:43:47.664Z", "datePublished": "2026-10-26T20:43:44.001Z", "dateUpdated": "2026-10-26T20:43:44.001Z"}, "containers": {"cna": {"problemTypes": [{"descriptions": [{"lang": "en", "description": "Processing a maliciously crafted file may lead to unexpected process termination"}]}], "affected": [{"vendor": "Apple", "product": "iOS and iPadOS", "versions": [{"version": "0", "status": "affected", "lessThan": "26.7.2", "versionType": "custom"}, {"version": "0", "status": "affected", "lessThan": "27.2", "versionType": "custom"}]}, {"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"}]}, {"vendor": "Apple", "product": "visionOS", "versions": [{"version": "0", "status": "affected", "lessThan": "27.2", "versionType": "custom"}]}], "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."}], "references": [{"url": "https://support.apple.com/en-us/149227"}, {"url": "https://support.apple.com/en-us/149230"}, {"url": "https://support.apple.com/en-us/149521"}, {"url": "https://support.apple.com/en-us/149522"}, {"url": "https://support.apple.com/en-us/149523"}, {"url": "https://support.apple.com/en-us/149526"}], "providerMetadata": {"orgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "shortName": "apple", "dateUpdated": "2026-10-26T20:43:44.001Z"}}}}

{}

{"affected": [{"affectedData": [{"product": "iOS and iPadOS", "vendor": "Apple", "versions": [{"lessThan": "26.7.2", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "27.2", "status": "affected", "version": "0", "versionType": "custom"}]}, {"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "15.8.2", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "26.7.2", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "27.2", "status": "affected", "version": "0", "versionType": "custom"}]}, {"product": "visionOS", "vendor": "Apple", "versions": [{"lessThan": "27.2", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "product-security@apple.com"}], "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."}], "id": "CVE-2026-86991", "lastModified": "2026-10-27T14:52:57.863", "metrics": {}, "published": "2026-10-26T21:20:38.060", "references": [{"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/149227"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/149230"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/149521"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/149522"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/149523"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/149526"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Awaiting Analysis"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,26.7.2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,27.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "iOS and iPadOS", "source": "cna", "vendor": "Apple"}, "product": "ios_and_ipados", "vendor": "apple"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,15.8.2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,26.7.2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,27.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "macOS", "source": "cna", "vendor": "Apple"}, "product": "macos", "vendor": "apple"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,27.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "visionOS", "source": "cna", "vendor": "Apple"}, "product": "visionos", "vendor": "apple"}], "created": "2026-10-27T00:00:10.548088+00:00", "title": "Buffer Overflow in Apple iOS, iPadOS, macOS and visionOS Causes Process Termination", "updated": "2026-10-27T01:45:13.774464+00:00", "vendors": ["apple", "apple$PRODUCT$ios_and_ipados", "apple$PRODUCT$macos", "apple$PRODUCT$visionos"], "weaknesses": ["CWE-119"]}