CVE-2026-86991

{"id": "CVE-2026-86991", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-86991", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-03T21:04:07.572293Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "affected": [{"source": "product-security@apple.com", "affectedData": [{"vendor": "Apple", "product": "iOS and iPadOS", "versions": [{"status": "affected", "version": "0", "lessThan": "26.7.2", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "27.2", "versionType": "custom"}]}, {"vendor": "Apple", "product": "macOS", "versions": [{"status": "affected", "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"}]}, {"vendor": "Apple", "product": "visionOS", "versions": [{"status": "affected", "version": "0", "lessThan": "27.2", "versionType": "custom"}]}]}], "published": "2026-10-26T21:20:38.060", "references": [{"url": "https://support.apple.com/en-us/149227", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/149230", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/149521", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/149522", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/149523", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/149526", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-120"}]}], "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."}], "lastModified": "2026-11-04T17:04:11.267", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "322F8B78-6467-49C1-BE61-AB834FE342AD", "versionEndExcluding": "26.7.2"}, {"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "95A89207-5DC1-4DBB-BBB6-C614D03B1791", "versionEndExcluding": "27.2", "versionStartIncluding": "27.0"}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "63A66827-2B9D-42CE-AABA-C8847A3EABA4", "versionEndExcluding": "26.7.2"}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "58046CBD-2CCD-4E1E-9316-F7080E4D7B08", "versionEndExcluding": "27.2", "versionStartIncluding": "27.0"}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "855F5ECD-CA54-4DB4-8AD6-86383177270D", "versionEndExcluding": "15.8.2", "versionStartIncluding": "15.0"}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C07128F2-DA38-4B58-B8F5-5F1DA299EE2C", "versionEndExcluding": "26.7.2", "versionStartIncluding": "26.0"}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "12846F95-3F15-4909-9FD2-591AA176A6F0", "versionEndExcluding": "27.2", "versionStartIncluding": "27.0"}, {"criteria": "cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "94C660EA-F6CF-42D8-82DA-31BFD33DD524", "versionEndExcluding": "27.2"}], "operator": "OR"}]}], "sourceIdentifier": "product-security@apple.com"}