{"id":"CVE-2026-6726","state":"PUBLISHED","title":"An information leakage vulnerability in the TCG TPM 2.0 reference code.","description":"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.","publishedAt":"2026-08-11T15:24:44.880Z","updatedAt":"2026-08-12T19:18:15.598Z","severity":{"score":7.9,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N","source":"CISA-ADP"},"assigner":"certcc","products":["Trusted Computing Group TPM2.0"],"affected":[{"vendor":"Trusted Computing Group","product":"TPM2.0","versions":[{"version":"0","status":"affected","lessThanOrEqual":"v184","versionType":"custom"}]}],"references":["https://trustedcomputinggroup.org/resource/errata-for-tpm-library-specification-2-0/","https://trustedcomputinggroup.org/wp-content/uploads/VRT0010-Advisory_Final-1.pdf","https://trustedcomputinggroup.org/wp-content/uploads/Extended-vrt0010-11-guidance_V1.pdf"],"weaknesses":["CWE-704"],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/6xxx/CVE-2026-6726.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-6726","state":"PUBLISHED","datePublished":"2026-08-11T15:24:44.880Z","dateUpdated":"2026-08-12T19:18:15.598Z","assignerShortName":"certcc","assignerOrgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateReserved":"2026-04-20T21:17:45.860Z"},"containers":{"cna":{"title":"An information leakage vulnerability in the TCG TPM 2.0 reference code.","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."}],"affected":[{"vendor":"Trusted Computing Group","product":"TPM2.0","versions":[{"version":"0","status":"affected","lessThanOrEqual":"v184","versionType":"custom"}]}],"references":[{"url":"https://trustedcomputinggroup.org/resource/errata-for-tpm-library-specification-2-0/"},{"url":"https://trustedcomputinggroup.org/wp-content/uploads/VRT0010-Advisory_Final-1.pdf"},{"url":"https://trustedcomputinggroup.org/wp-content/uploads/Extended-vrt0010-11-guidance_V1.pdf"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-704 Incorrect Type Conversion or Cast"}]}],"providerMetadata":{"shortName":"certcc","orgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateUpdated":"2026-08-11T15:27:05.701Z"},"source":{"discovery":"INTERNAL"},"x_generator":{"engine":"VINCE 3.0.43","env":"prod","origin":"https://cveawg.mitre.org/api/cve/CVE-2026-6726"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"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"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-12T19:15:49.989531Z","id":"CVE-2026-6726","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-704","type":"CWE","lang":"en","description":"CWE-704 Incorrect Type Conversion or Cast"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-12T19:18:15.598Z"}}]}}}