CVE-2026-20602

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{"affected": [{"affectedData": [{"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "14.8.4", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "15.7.4", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "26.3", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "product-security@apple.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "8D9F0DB6-C9A6-47C1-B131-0284A3989EF4", "versionEndExcluding": "14.8.4", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "A5F7A1AF-3DD7-4FA1-BF78-4855F83BB463", "versionEndExcluding": "15.7.4", "versionStartIncluding": "15.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "0488A377-7971-4703-8823-05BF1E23CF48", "versionEndExcluding": "26.3", "versionStartIncluding": "26.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The issue was addressed with improved handling of caches. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An app may be able to cause a denial-of-service."}, {"lang": "es", "value": "El problema se abord\u00f3 con un manejo mejorado de las cach\u00e9s. Este problema est\u00e1 solucionado en macOS Sequoia 15.7.4, macOS Tahoe 26.3, macOS Sonoma 14.8.4. Una aplicaci\u00f3n podr\u00eda causar una denegaci\u00f3n de servicio."}], "id": "CVE-2026-20602", "lastModified": "2026-06-17T10:17:30.320", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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-2026-20602", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-02-18T14:55:46.295750Z", "version": "2.0.3"}}]}, "published": "2026-02-11T23:16:04.003", "references": [{"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/126348"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/126349"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/126350"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-400"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.3)"}}], "product": "macos", "vendor": "apple"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,15.7)"}}], "product": "macos", "vendor": "apple"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,14.8)"}}], "product": "macos", "vendor": "apple"}], "analysis": {"en": {"generated_at": "2026-04-16T06:54:29.069828+00:00", "value": {"mitigation_remediation": ["Update macOS to a patched release such as Sequoia\u202f15.7.4, Sonoma\u202f14.8.4, or Tahoe\u202f26.3 or later.", "Install all available Apple system updates via System Settings \u2192 Software Update to ensure the cache\u2011handling fix is applied.", "Reboot the system after updates to activate the new cache\u2011handling logic."], "summary": {"action": "Patch", "impact": "Denial of Service"}, "threat_synthesis": {"affected_systems": "Apple macOS, including Sequoia, Sonoma, and Tahoe releases. Versions older than Sequoia\u202f15.7.4, Sonoma\u202f14.8.4, and Tahoe\u202f26.3 are affected; subsequent updates contain the fix.", "description_and_impact": "A flaw in macOS cache handling can be leveraged by an application to initiate a denial\u2011of\u2011service condition, potentially leading to system or application crashes that render the affected service unavailable. The weakness is a resource exhaustion issue where improperly managed cache data can disrupt normal operations. The impact is primarily on availability, with no explicit mention of confidentiality or integrity compromise.", "risk_and_exploitability": "The CVSS v3 score of 5.5 indicates medium severity, while an EPSS score of less than 1\u202f% signals a low probability of widespread exploitation at present. The vulnerability appears to be local, requiring the attacker to run a malicious or malformed application on the target system. Based on the description, it is inferred that the vulnerability requires a locally running application to be executed by the attacker. It is not listed in the CISA KEV catalog, further suggesting limited threat activity."}}}}, "created": "2026-02-12T09:02:34.313519+00:00", "title": "Cache Handling Vulnerability Leading to Denial of Service in macOS", "updated": "2026-04-16T07:00:10.993418+00:00", "vendors": ["apple", "apple$PRODUCT$macos"]}