{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86901", "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "state": "PUBLISHED", "assignerShortName": "apple", "dateReserved": "2026-09-08T16:43:41.873Z", "datePublished": "2026-09-14T20:49:38.245Z", "dateUpdated": "2026-09-14T20:49:38.245Z"}, "containers": {"cna": {"problemTypes": [{"descriptions": [{"lang": "en", "description": "Mounting a maliciously crafted exFAT volume may cause unexpected system termination or kernel memory disclosure"}]}], "affected": [{"vendor": "Apple", "product": "macOS", "versions": [{"version": "0", "status": "affected", "lessThan": "27", "versionType": "custom"}]}], "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. Mounting a maliciously crafted exFAT volume may cause unexpected system termination or kernel memory disclosure."}], "references": [{"url": "https://support.apple.com/en-us/149035"}], "providerMetadata": {"orgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "shortName": "apple", "dateUpdated": "2026-09-14T20:49:38.245Z"}}}}

{}

{"affected": [{"affectedData": [{"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "27", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "product-security@apple.com"}], "cveTags": [], "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. Mounting a maliciously crafted exFAT volume may cause unexpected system termination or kernel memory disclosure."}], "id": "CVE-2026-86901", "lastModified": "2026-09-15T14:38:06.923", "metrics": {}, "published": "2026-09-14T21:17:40.937", "references": [{"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/149035"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Awaiting Analysis"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,27)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "macOS", "source": "cna", "vendor": "Apple"}, "product": "macos", "vendor": "apple"}], "created": "2026-09-15T03:30:14.042688+00:00", "title": "Out-of-Bounds Write via Malicious exFAT Volume Causing System Termination and Kernel Memory Disclosure", "updated": "2026-09-15T08:15:13.034924+00:00", "vendors": ["apple", "apple$PRODUCT$macos"], "weaknesses": ["CWE-787"]}