CVE-2026-28842

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{"affected": [{"affectedData": [{"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "26.4", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "product-security@apple.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "6CF848CD-25D4-4371-BEF3-1ACCE47AD81F", "versionEndExcluding": "26.4", "versionStartIncluding": "26.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The issue was addressed with improved bounds checks. This issue is fixed in macOS Tahoe 26.4. A buffer overflow may result in memory corruption and unexpected app termination."}, {"lang": "es", "value": "El problema se abord\u00f3 con comprobaciones de l\u00edmites mejoradas. Este problema est\u00e1 solucionado en macOS Tahoe 26.4. Un desbordamiento de b\u00fafer puede provocar corrupci\u00f3n de memoria y terminaci\u00f3n inesperada de la aplicaci\u00f3n."}], "id": "CVE-2026-28842", "lastModified": "2026-06-17T10:29:09.277", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-28842", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-25T19:54:58.578753Z", "version": "2.0.3"}}]}, "published": "2026-03-25T01:17:09.080", "references": [{"source": "product-security@apple.com", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/en-us/126794"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "macOS", "source": "cna", "vendor": "Apple"}, "product": "macos", "vendor": "apple"}], "analysis": {"en": {"generated_at": "2026-03-26T15:42:07.141589+00:00", "value": {"mitigation_remediation": ["Apply macOS update to version 26.4 or later", "Verify the update was installed successfully", "Restart the system for changes to take effect", "Monitor for any unexpected application crashes after the update"], "summary": {"action": "Apply Patch", "impact": "Memory Corruption"}, "threat_synthesis": {"affected_systems": "Apple macOS is affected. The issue is fixed in macOS Tahoe 26.4, so any earlier releases are vulnerable. Users running older macOS versions should consider upgrading.", "description_and_impact": "A buffer overflow exists due to insufficient bounds checking. The weakness is CWE\u2011122. Exploitation may corrupt memory and cause unexpected application termination. If memory corruption can be directed, it could break isolation and lead to further compromise.", "risk_and_exploitability": "The CVSS score of 7.5 indicates a high severity while the EPSS score of less than 1% shows low exploitation likelihood. The vulnerability is not\u2019s KEV catalog. No official attack vector is documented; however, buffer overflows commonly require local access or a malicious payload within the affected application, so the attack vector is inferred to be local or user\u2011initiated."}}}}, "created": "2026-03-25T11:36:13.865065+00:00", "title": "Buffer Overflow Causing Memory Corruption in macOS Tahoe", "updated": "2026-03-27T09:50:33.553227+00:00", "vendors": ["apple", "apple$PRODUCT$macos"]}