CVE-2026-53420

{"id": "CVE-2026-53420", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-53420", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-10-13T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@zoom.us", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.0, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.3}]}, "affected": [{"source": "security@zoom.us", "affectedData": [{"vendor": "Zoom Communications", "product": "Zoom Workplace", "versions": [{"status": "affected", "version": "0", "lessThan": "7.2.0", "versionType": "custom"}], "platforms": ["Android", "Windows", "MacOS", "iOS"], "defaultStatus": "unaffected"}]}], "published": "2026-10-13T15:17:44.753", "references": [{"url": "https://www.zoom.com/en/trust/security-bulletin/zsb-26020", "source": "security@zoom.us"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "security@zoom.us", "description": [{"lang": "en", "value": "CWE-120"}]}], "descriptions": [{"lang": "en", "value": "Buffer overflow in a Zoom Phone feature of Zoom Workplace Clients may allow an unauthenticated user to conduct a escalation of privilege via network access."}], "lastModified": "2026-10-14T04:18:23.290", "sourceIdentifier": "security@zoom.us"}