CVE-2026-6726

{
  "id": "CVE-2026-6726",
  "sourceIdentifier": "[email protected]",
  "published": "2026-08-11T16:17:34.397",
  "lastModified": "2026-10-24T16:10:00.153",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An information leakage vulnerability was reported in the TCG TPM 2.0 reference code that could allow a local attacker with elevated privileges to obtain a credential from a TPM-aware CA for a falsified TPM key (such as an Attestation Key, DevID Key or TLS authentication key) and falsify other TPM 2.0 attestations with this key.  See also TCG VRT0010."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de fuga de información fue reportada en el código de referencia TCG TPM 2.0 que podría permitir a un atacante local con privilegios elevados obtener una credencial de una CA consciente de TPM para una clave TPM falsificada (como una clave de atestación, clave DevID o clave de autenticación TLS) y falsificar otras atestaciones de TPM 2.0 con esta clave. Véase también TCG VRT0010."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Trusted Computing Group",
          "product": "TPM2.0",
          "versions": [
            {
              "version": "0",
              "lessThanOrEqual": "v184",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N",
          "baseScore": 7.9,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.5,
        "impactScore": 5.8
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-12T19:15:49.989531Z",
          "id": "CVE-2026-6726",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-704"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://trustedcomputinggroup.org/resource/errata-for-tpm-library-specification-2-0/",
      "source": "[email protected]"
    },
    {
      "url": "https://trustedcomputinggroup.org/wp-content/uploads/Extended-vrt0010-11-guidance_V1.pdf",
      "source": "[email protected]"
    },
    {
      "url": "https://trustedcomputinggroup.org/wp-content/uploads/VRT0010-Advisory_Final-1.pdf",
      "source": "[email protected]"
    }
  ]
}