{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-12855", "assignerOrgId": "8338d8cb-57f7-4252-abc0-96fd13e98d21", "state": "PUBLISHED", "assignerShortName": "Insyde", "dateReserved": "2026-06-22T05:49:02.853Z", "datePublished": "2026-09-09T03:59:11.348Z", "dateUpdated": "2026-09-09T03:59:11.348Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8338d8cb-57f7-4252-abc0-96fd13e98d21", "shortName": "Insyde", "dateUpdated": "2026-09-09T03:59:11.348Z"}, "title": "H19WMIHandlerSmm: unvalidated memory boundary could result in arbitrary code execution.", "datePublic": "2026-09-09T03:56:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-20", "description": "CWE-20: Improper Input Validation", "type": "CWE"}]}], "affected": [{"vendor": "Insyde Software", "product": "InsydeH2O", "platforms": ["x86"], "versions": [{"status": "affected", "version": "See in the Solution"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Unvalidated memory boundary could result in arbitrary code execution. The vulnerability exists in the code developed specifically for HP projects.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Unvalidated memory boundary could result in arbitrary code execution. The vulnerability exists in the code developed specifically for HP projects."}]}], "references": [{"url": "https://www.insyde.com/security-pledge/sa-2026009/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.2, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"}}], "solutions": [{"lang": "en", "value": "HP feature version\n\u2013 Platform 5.4: 05.47.2701.2631\n\u2013 Platform 5.5: 05.55.45.2630\n\u2013 Platform 5.6: 05.62.29.2630\n\u2013 Platform 5.7: 05.72.21.2630\n\u2013 Platform 6.0: 06.01.23.2630", "supportingMedia": [{"type": "text/html", "base64": false, "value": "HP feature version<br>\u2013 Platform 5.4: 05.47.2701.2631<br>\u2013 Platform 5.5: 05.55.45.2630<br>\u2013 Platform 5.6: 05.62.29.2630<br>\u2013 Platform 5.7: 05.72.21.2630<br>\u2013 Platform 6.0: 06.01.23.2630"}]}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["x86"], "product": "InsydeH2O", "vendor": "Insyde Software", "versions": [{"status": "affected", "version": "See in the Solution"}]}], "source": "8338d8cb-57f7-4252-abc0-96fd13e98d21"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Unvalidated memory boundary could result in arbitrary code execution. The vulnerability exists in the code developed specifically for HP projects."}], "id": "CVE-2026-12855", "lastModified": "2026-09-09T04:17:56.480", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.5, "impactScore": 6.0, "source": "8338d8cb-57f7-4252-abc0-96fd13e98d21", "type": "Secondary"}]}, "published": "2026-09-09T04:17:56.480", "references": [{"source": "8338d8cb-57f7-4252-abc0-96fd13e98d21", "url": "https://www.insyde.com/security-pledge/sa-2026009/"}], "sourceIdentifier": "8338d8cb-57f7-4252-abc0-96fd13e98d21", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "8338d8cb-57f7-4252-abc0-96fd13e98d21", "type": "Secondary"}]}

{}

{}