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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-6484",
"assignerOrgId": "8338d8cb-57f7-4252-abc0-96fd13e98d21",
"state": "PUBLISHED",
"assignerShortName": "Insyde",
"dateReserved": "2026-04-17T06:07:36.576Z",
"datePublished": "2026-08-12T00:20:36.095Z",
"dateUpdated": "2026-08-12T12:39:26.057Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "8338d8cb-57f7-4252-abc0-96fd13e98d21",
"shortName": "Insyde",
"dateUpdated": "2026-08-12T00:20:36.095Z"
},
"title": "Lack of verified boot to certain FV may cause arbitrary code execution",
"datePublic": "2026-08-12T00:04:00.000Z",
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"cweId": "CWE-1277",
"description": "CWE-1277: Insufficient Verification of Data Authenticity in Firmware",
"type": "CWE"
}
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"affected": [
{
"vendor": "Insyde Software",
"product": "InsydeH2O",
"platforms": [
"x86"
],
"versions": [
{
"status": "unknown",
"version": "See in the Solution"
}
],
"defaultStatus": "unknown"
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"value": "In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.",
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"value": "In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution."
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}
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"references": [
{
"url": "https://www.insyde.com/security-pledge/sa-2026003/"
}
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"metrics": [
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"format": "CVSS",
"scenarios": [
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"lang": "en",
"value": "GENERAL"
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"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": "Intel Mobile Platforms:\nPanther Lake: Unaffected\nLunar Lake: Unaffected\nAarow Lake H/U: Version 05.56.17.0022\nAarow Lake S/HX: Version 05.56.17.0037\nRapter Lake: Version 05.47.24.0058\nTwin Lake: Version 05.44.45.0029\n\n\n\n \n\n\n\nIntel Server/Embedded platforms:\nWhitley (CLX/CPX/ICX): Trunk\nCedarIsland (CPX): Trunk\nEagle Stream: Unaffected\nBirch Stream: Unaffected\nMehlow/Mehlow-R(CFL-S): Unaffected\nTatlow (RKS): Unaffected\nJacobsville(SNR): Trunk\nIdaville: Trunk\nKaseyville: Unaffected\nWhiskey Lake: Trunk\nCome tLake-S: Unaffected\nTiger Lake UP3/H: Unaffected\nAlder Lake: Version 05.47.24.2057\nRaptor Lake: Version 05.47.24.0057\nMeteor Lake – U/H ARL-H/U: Version 05.56.07.0022\nMeteor Lake – PS ARL-H/U: Version 05.56.07.0022\nArrow Lake – S ARL-S/HX: Version 05.55.45.0036\nArrow Lake – U/H ARL-H/U: Version 05.56.07.0022\nElkhart Lake: Version 05.48.17.0030\nAlder Lake N: Trunk\nAmston Lake: Trunk\nTwin Lake: Trunk",
"supportingMedia": [
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"base64": false,
"value": "<p><strong>Intel Mobile Platforms:</strong><br>Panther Lake: Unaffected<br>Lunar Lake: Unaffected<br>Aarow Lake H/U: Version 05.56.17.0022<br>Aarow Lake S/HX: Version 05.56.17.0037<br>Rapter Lake: Version 05.47.24.0058<br>Twin Lake: Version 05.44.45.0029</p><p>&nbsp;</p><p><strong>Intel Server/Embedded platforms:<br></strong>Whitley (CLX/CPX/ICX): Trunk<br>CedarIsland (CPX): Trunk<br>Eagle Stream: Unaffected<br>Birch Stream: Unaffected<br>Mehlow/Mehlow-R(CFL-S): Unaffected<br>Tatlow (RKS): Unaffected<br>Jacobsville(SNR): Trunk<br>Idaville: Trunk<br>Kaseyville: Unaffected<br>Whiskey Lake: Trunk<br>Come tLake-S: Unaffected<br>Tiger Lake UP3/H: Unaffected<br>Alder Lake: Version 05.47.24.2057<br>Raptor Lake: Version 05.47.24.0057<br>Meteor Lake – U/H ARL-H/U: Version 05.56.07.0022<br>Meteor Lake – PS ARL-H/U: Version 05.56.07.0022<br>Arrow Lake – S ARL-S/HX: Version 05.55.45.0036<br>Arrow Lake – U/H ARL-H/U: Version 05.56.07.0022<br>Elkhart Lake: Version 05.48.17.0030<br>Alder Lake N: Trunk<br>Amston Lake: Trunk<br>Twin Lake: Trunk</p>"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Thanks to Nikolaj Schlej, independent firmware security researcher, for reporting the vulnerability and engaging in this coordinated disclosure.",
"type": "reporter"
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "Vulnogram 1.0.4"
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"content": {
"timestamp": "2026-08-12T12:39:19.055017Z",
"id": "CVE-2026-6484",
"options": [
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"Exploitation": "none"
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{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
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}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-08-12T12:39:26.057Z"
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