CVE-2026-43802

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{"affected": [{"affectedData": [{"product": "iOS and iPadOS", "vendor": "Apple", "versions": [{"lessThan": "18.7.10", "status": "affected", "version": "0", "versionType": "custom"}]}, {"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "14.8.8", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "15.7.8", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "26.6", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "product-security@apple.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "9FFAC61B-E4F2-49AF-9897-96D35FAD611C", "versionEndExcluding": "14.8.8", "versionStartIncluding": "14.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "B3E01512-81BB-4C92-B0A5-C07F1C1A432E", "versionEndExcluding": "15.7.8", "versionStartIncluding": "15.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "8D3D83F1-07DF-47C2-9F3B-0BC5A1434606", "versionEndExcluding": "26.6", "versionStartIncluding": "26.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination."}, {"lang": "es", "value": "Un problema de escritura fuera de l\u00edmites fue abordado con una comprobaci\u00f3n de l\u00edmites mejorada. Este problema est\u00e1 solucionado en macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Una aplicaci\u00f3n podr\u00eda causar una terminaci\u00f3n inesperada del sistema."}], "id": "CVE-2026-43802", "lastModified": "2026-10-24T13:10:00.147", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-43802", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-28T14:02:56.398521Z", "version": "2.0.3"}}]}, "published": "2026-07-27T21:17:03.450", "references": [{"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/128067"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/128071"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/128072"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/148287"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,14.8.8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,15.7.8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.6)"}}], "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": "2026-07-28T01:45:02.700118+00:00", "title": "Apple OS Out-of-Bounds Write Causing System Crash", "updated": "2026-08-18T00:45:05.061835+00:00", "vendors": ["apple", "apple$PRODUCT$macos"]}