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vuln-cve/data/2026/40xxx/CVE-2026-40669.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-40669",
"assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
"state": "PUBLISHED",
"assignerShortName": "AMD",
"dateReserved": "2026-04-14T17:04:40.591Z",
"datePublished": "2026-11-10T22:10:48.420Z",
"dateUpdated": "2026-11-12T23:42:40.600Z"
},
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"shortName": "AMD",
"dateUpdated": "2026-11-10T22:10:48.420Z"
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"affected": [
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"defaultStatus": "affected",
"vendor": "AMD",
"product": "AMD EPYC™ 9004 Series Processors",
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"version": "GenoaPI_1.0.0.J",
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],
"datePublic": "2026-11-10T22:08:13.208Z",
"descriptions": [
{
"lang": "en",
"value": "An off-by-one error in AMD Secure Encrypted Virtualization (SEV) firmware could allow an attacker with hypervisor access to corrupt the Reverse Map Table (RMP) table, potentially resulting in loss of guest memory integrity.",
"supportingMedia": [
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"base64": false,
"type": "text/html",
"value": "An off-by-one error in AMD Secure Encrypted Virtualization (SEV) firmware could allow an attacker with hypervisor access to corrupt the Reverse Map Table (RMP) table, potentially resulting in loss of guest memory integrity.<br>"
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"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-193",
"description": "CWE-193 Off-by-one Error",
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"type": "CWE"
}
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}
],
"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:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"privilegesRequired": "HIGH",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "HIGH",
"subAvailabilityImpact": "NONE",
"baseScore": 4,
"baseSeverity": "MEDIUM"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
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"metrics": [
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"content": {
"timestamp": "2026-11-12T23:42:26.725877Z",
"id": "CVE-2026-40669",
"options": [
{
"Exploitation": "none"
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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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