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vuln-cve/data/2026/40xxx/CVE-2026-40670.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-40670",
"assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
"state": "PUBLISHED",
"assignerShortName": "AMD",
"dateReserved": "2026-04-14T17:04:40.591Z",
"datePublished": "2026-11-10T22:10:18.169Z",
"dateUpdated": "2026-11-12T23:47:03.023Z"
},
"containers": {
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"shortName": "AMD",
"dateUpdated": "2026-11-10T22:10:18.169Z"
},
"affected": [
{
"defaultStatus": "affected",
"vendor": "AMD",
"product": "AMD EPYC™ 9004 Series Processors",
"versions": [
{
"version": "GenoaPI_1.0.0.J",
"status": "unaffected"
}
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},
{
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"product": "AMD EPYC™ 7003 Series Processors",
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"version": "MilanPI-SP3_1.0.0.K",
"status": "unaffected"
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{
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"product": "AMD EPYC™ 9005 Series Processors",
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{
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"product": "AMD EPYC™ Embedded 7003 Series Processors",
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"version": "EmbMilanPI-SP3 1.0.0.E",
"status": "unaffected"
}
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},
{
"defaultStatus": "affected",
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"product": "AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed \"Genoa\")",
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"product": "AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed \"Bergamo\")",
"versions": [
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"version": "EmbeddedGenoaPI_1.0.0.E",
"status": "unaffected"
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{
"defaultStatus": "affected",
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}
],
"datePublic": "2026-11-10T22:08:06.777Z",
"descriptions": [
{
"lang": "en",
"value": "Improper check for unusual or exceptional conditions in AMD Secure Encrypted Virtualization - Secure Nested Paging (SEV-SNP) could allow a privileged attacker to potentially overlap MMIO regions with DRAM regions resulting in loss of integrity.",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Improper check for unusual or exceptional conditions in AMD Secure Encrypted Virtualization - Secure Nested Paging (SEV-SNP) could allow a privileged attacker to potentially overlap MMIO regions with DRAM regions resulting in loss of integrity.<br>"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-754",
"description": "CWE-754 Improper Check for Unusual or Exceptional Conditions",
"lang": "en",
"type": "CWE"
}
]
}
],
"references": [
{
"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3038.html"
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
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"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "HIGH",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "HIGH",
"subAvailabilityImpact": "NONE",
"baseScore": 5.9,
"baseSeverity": "MEDIUM"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
]
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"adp": [
{
"metrics": [
{
"other": {
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"content": {
"timestamp": "2026-11-12T23:46:27.417167Z",
"id": "CVE-2026-40670",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
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}
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"role": "CISA Coordinator",
"version": "2.0.3"
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],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
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"shortName": "CISA-ADP",
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}