{"affected": [{"affectedData": [{"product": "Safari", "vendor": "Apple", "versions": [{"lessThan": "26.6", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "27", "status": "affected", "version": "0", "versionType": "custom"}]}, {"product": "iOS and iPadOS", "vendor": "Apple", "versions": [{"lessThan": "26.6", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "26.7", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "27", "status": "affected", "version": "0", "versionType": "custom"}]}, {"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "26.6", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "27", "status": "affected", "version": "0", "versionType": "custom"}]}, {"product": "tvOS", "vendor": "Apple", "versions": [{"lessThan": "26.6", "status": "affected", "version": "0", "versionType": "custom"}]}, {"product": "visionOS", "vendor": "Apple", "versions": [{"lessThan": "26.6", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "27", "status": "affected", "version": "0", "versionType": "custom"}]}, {"product": "watchOS", "vendor": "Apple", "versions": [{"lessThan": "26.6", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "product-security@apple.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*", "matchCriteriaId": "7E5C1170-D473-4747-ADE6-4F3F309F7A27", "versionEndExcluding": "26.6", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "matchCriteriaId": "AB0E13A1-17E9-4198-A359-304F8145F34F", "versionEndExcluding": "26.6", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "matchCriteriaId": "622D61A7-C893-4550-800A-8CEDE14F3033", "versionEndExcluding": "26.6", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "8D3D83F1-07DF-47C2-9F3B-0BC5A1434606", "versionEndExcluding": "26.6", "versionStartIncluding": "26.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*", "matchCriteriaId": "D461E49C-A6FA-4AFD-B557-FB066243A708", "versionEndExcluding": "26.6", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*", "matchCriteriaId": "927CD91A-3CC7-42CE-BD20-CD6D7C9B4984", "versionEndExcluding": "26.6", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*", "matchCriteriaId": "BDA04143-9B99-429E-8970-B13AB5DBCDDC", "versionEndExcluding": "26.6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6, Safari 27, iOS 26.6 and iPadOS 26.6, iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, visionOS 27, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash."}], "id": "CVE-2026-64718", "lastModified": "2026-09-14T21:17:14.467", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-64718", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-28T18:37:58.327178Z", "version": "2.0.3"}}]}, "published": "2026-07-27T21:17:10.753", "references": [{"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/128066"}, {"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/128068"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/128069"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/128070"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/128073"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/149034"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/149035"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/149038"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/149039"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/149041"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}