CVE-2026-6923
Full vulnerability record from the local CVENow database.
Description
A side-channel attack, which requires a physical presence to the TPM, can lead to extraction of an Elliptic Curve Diffie-Hellman (ECDH) key.
Severity
LOW
CVSS score
3.8
(v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-05-14 17:16:24.213000
Last modified
2026-10-26 14:10:00.130000
View original CVE JSON
{
"id": "CVE-2026-6923",
"sourceIdentifier": "[email protected]",
"published": "2026-05-14T17:16:24.213",
"lastModified": "2026-10-26T14:10:00.130",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A side-channel attack, which requires a physical presence to the TPM, can lead to extraction of an Elliptic Curve Diffie-Hellman (ECDH) key."
},
{
"lang": "es",
"value": "Un ataque de canal lateral, que requiere presencia física en el TPM, puede llevar a la extracción de una clave Elliptic Curve Diffie-Hellman (ECDH)."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Nuvoton",
"product": "NPCT7xx",
"defaultStatus": "unaffected",
"versions": [
{
"version": "all versions below 7.2.4.0",
"versionType": "cpe",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N",
"baseScore": 3.8,
"baseSeverity": "LOW",
"attackVector": "PHYSICAL",
"attackComplexity": "HIGH",
"privilegesRequired": "HIGH",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 0.2,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-05-14T18:32:58.551244Z",
"id": "CVE-2026-6923",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-1300"
}
]
}
],
"references": [
{
"url": "https://www.gov.il/en/departments/dynamiccollectors/cve_advisories_listing?skip=0",
"source": "[email protected]"
}
]
}