CVE-2026-6484

{"id": "CVE-2026-6484", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-6484", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-12T12:39:19.055017Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "8338d8cb-57f7-4252-abc0-96fd13e98d21", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.5}]}, "affected": [{"source": "8338d8cb-57f7-4252-abc0-96fd13e98d21", "affectedData": [{"vendor": "Insyde Software", "product": "InsydeH2O", "versions": [{"status": "unknown", "version": "See in the Solution"}], "platforms": ["x86"], "defaultStatus": "unknown"}]}], "published": "2026-08-12T01:17:08.060", "references": [{"url": "https://www.insyde.com/security-pledge/sa-2026003/", "source": "8338d8cb-57f7-4252-abc0-96fd13e98d21"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "8338d8cb-57f7-4252-abc0-96fd13e98d21", "description": [{"lang": "en", "value": "CWE-1277"}]}], "descriptions": [{"lang": "en", "value": "In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution."}], "lastModified": "2026-08-31T19:27:23.020", "sourceIdentifier": "8338d8cb-57f7-4252-abc0-96fd13e98d21"}