CVE-2026-66332

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "AptioV", "vendor": "AMI", "versions": [{"lessThan": "AptioV_5.045", "status": "affected", "version": "AptioV_5.0", "versionType": "custom"}]}], "source": "biossecurity@ami.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "AMI APTIOV contains a vulnerability in BIOS\nwhere a privileged\nuser may cause the \u201cOut-of-Bound Read\u201d by local\naccess. Successful exploitation of this vulnerability may lead to a denial of\nservice during firmware update processing, such as a crash or failed update if\nthe out-of-bounds read hits unmapped memory. It could also potentially impact Confidentiality and Availability."}], "id": "CVE-2026-66332", "lastModified": "2026-11-12T19:26:10.547", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 4.6, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "biossecurity@ami.com", "type": "Secondary"}]}, "published": "2026-11-10T17:17:46.453", "references": [{"source": "biossecurity@ami.com", "url": "https://go.ami.com/hubfs/Security%20Advisories/2026/AMI-SA-2026003.pdf"}], "sourceIdentifier": "biossecurity@ami.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "biossecurity@ami.com", "type": "Secondary"}]}

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