CVE-2026-0438
Full vulnerability record from the local CVENow database.
Description
A System Management Mode (SMM) handler could perform a callout to code located in non-SMM/untrusted memory. A highly privileged attacker could, with active user interaction and under high complexity and present preconditions, trigger execution of attacker-controlled code in SMM, potentially compromising the system’s confidentiality, integrity, and availability.
Severity
MEDIUM
CVSS score
5.4
(v4.0)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-05-15 02:16:23.637000
Last modified
2026-10-26 14:10:00.130000
View original CVE JSON
{
"id": "CVE-2026-0438",
"sourceIdentifier": "[email protected]",
"published": "2026-05-15T02:16:23.637",
"lastModified": "2026-10-26T14:10:00.130",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A System Management Mode (SMM) handler could perform a callout to code located in non-SMM/untrusted memory. A highly privileged attacker could, with active user interaction and under high complexity and present preconditions, trigger execution of attacker-controlled code in SMM, potentially compromising the system’s confidentiality, integrity, and availability."
},
{
"lang": "es",
"value": "Un gestor de System Management Mode (SMM) podría realizar una llamada a código ubicado en memoria no-SMM/no confiable. Un atacante con altos privilegios podría, con interacción activa del usuario y bajo alta complejidad y precondiciones presentes, desencadenar la ejecución de código controlado por el atacante en SMM, comprometiendo potencialmente la confidencialidad, integridad y disponibilidad del sistema."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "AMD",
"product": "AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics",
"defaultStatus": "affected",
"versions": [
{
"version": "PhoenixPI-FP8-FP7_1.2.0.0f",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics",
"defaultStatus": "affected",
"versions": [
{
"version": "DragonRangeFL1PI 1.0.0.3k",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ 7000 Series Desktop Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "ComboAM5PI 1.0.0.d",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ 9000HX Series Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "FireRangeFL1PI 1.0.0.0d",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ AI 300 Series Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "StrixKrackanPI-FP8_1.1.0.0e",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "StormPeakPI-SP6 1.0.0.1m",
"status": "unaffected"
},
{
"version": "StormPeakPI-SP6_1.1.0.0k",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ 7000 Series Desktop Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "ComboAM5PI 1.1.0.3f",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ 7000 Series Desktop Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "ComboAM5PI_1.2.0.3i",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ 8000 Series Desktop Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "ComboAM5PI 1.1.0.3f",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ 8000 Series Desktop Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "ComboAM5PI_1.2.0.3i",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ 9000 Series Desktop Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "ComboAM5PI_1.2.0.3i",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ Graphics",
"defaultStatus": "affected",
"versions": [
{
"version": "PhoenixPI-FP8-FP7_1.2.0.0f",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ AI Max 300 Series Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "StrixHaloPI-FP11_1.0.0.2a",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ Z1 Series Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "PhoenixPI-FP8-FP7_1.2.0.0f",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ Z1 Series Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "PhoenixPI-FP8-FP7_1.2.0.0f",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ Z2 Series Processors Extreme",
"defaultStatus": "affected",
"versions": [
{
"version": "StrixKrackanPI-FP8_1.1.0.2d",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ Z2 Series Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "PhoenixPI-FP8-FP7_1.2.0.0f",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "ShimadaPeakPI-SP6 1.0.0.1c",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ Threadripper™ 7000 Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "ShimadaPeakPI-SP6 1.0.0.1c",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ Threadripper™ 9000 Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "ShimadaPeakPI-SP6 1.0.0.1c",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ Threadripper™ PRO 9000 WX-Series Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "ShimadaPeakPI-SP6 1.0.0.1c",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ 7000 Series Desktop Processors (formerly codenamed \"Raphael\")",
"defaultStatus": "affected",
"versions": [
{
"version": "ComboAM5PI_1.3.0.0",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ 8000 Series Desktop Processors (formerly codenamed \"Phoenix\")",
"defaultStatus": "affected",
"versions": [
{
"version": "ComboAM5PI_1.3.0.0",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ 9000 Series Desktop Processors (formerly codenamed \"Granite Ridge\")",
"defaultStatus": "affected",
"versions": [
{
"version": "ComboAM5PI_1.3.0.0",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ Embedded 9000 Series Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "EmbeddedAM5PI 1.0.0.5",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ Embedded 8000 Series Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "EmbeddedPhoenixPI-FP7r2_1.0.0.4",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD Ryzen™ Embedded 7000 Series Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "EmbeddedAM5PI 1.0.0.5",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD EPYC™ 4004 Series Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "ComboAM5PI 1.0.0.d / ComboAM5PI 1.1.0.3f / ComboAM5PI_1.2.0.3i",
"status": "unaffected"
}
]
},
{
"vendor": "AMD",
"product": "AMD EPYC™ 4005 Series Processors",
"defaultStatus": "affected",
"versions": [
{
"version": "ComboAM5PI_1.2.0.3i",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:P/AC:H/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/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",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"attackVector": "PHYSICAL",
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"privilegesRequired": "HIGH",
"userInteraction": "ACTIVE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"availabilityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-05-15T13:17:40.357741Z",
"id": "CVE-2026-0438",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-1072"
}
]
}
],
"references": [
{
"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3030.html",
"source": "[email protected]"
},
{
"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4017.html",
"source": "[email protected]"
}
]
}