CVE-2026-6726

{"id": "CVE-2026-6726", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-6726", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-12T19:15:49.989531Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.9, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.8, "exploitabilityScore": 1.5}]}, "affected": [{"source": "cret@cert.org", "affectedData": [{"vendor": "Trusted Computing Group", "product": "TPM2.0", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "v184"}]}]}], "published": "2026-08-11T16:17:34.397", "references": [{"url": "https://trustedcomputinggroup.org/resource/errata-for-tpm-library-specification-2-0/", "source": "cret@cert.org"}, {"url": "https://trustedcomputinggroup.org/wp-content/uploads/Extended-vrt0010-11-guidance_V1.pdf", "source": "cret@cert.org"}, {"url": "https://trustedcomputinggroup.org/wp-content/uploads/VRT0010-Advisory_Final-1.pdf", "source": "cret@cert.org"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-704"}]}], "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."}], "lastModified": "2026-09-08T14:09:00.860", "sourceIdentifier": "cret@cert.org"}