CVE-2026-6726

HIGHPre-NVD 7.97.9—
EchelonGraph scoreMEDIUM confidence

Score 7.9 from GitHub Security Advisory (severity: HIGH) published 2026-08-11. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
7.9EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 7.9Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

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.

CVSS v3
7.9
EG Score
7.9HIGHmedium confidence
EG Risk
36
EG Risk 36/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity79% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.2%
EPSS %ILE
7th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 11, 2026

Last Modified

September 8, 2026

Advisory Details (3)

Auto-updated Aug 12, 2026
Patch available.
generic
https://trustedcomputinggroup.org/wp-content/uploads/Extended-vrt0010-11-guidance_V1.pdf
generic
https://trustedcomputinggroup.org/wp-content/uploads/VRT0010-Advisory_Final-1.pdf
generic

Errata for TPM Library Specification 2.0 | Trusted Computing Group

https://trustedcomputinggroup.org/resource/errata-for-tpm-library-specification-2-0/

Vendor Advisories for CVE-2026-6726(3)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
libtpms—
  • every version up to 0.9.1-1: fixed in 0.9.1-1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
libtpms—
  • every version up to 0.9.1-1: fixed in 0.9.1-1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
libtpms—
  • every version up to 0.9.1-1: fixed in 0.9.1-1
—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 26× in last 7d / 132× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 269 total refreshes for this CVE.

  1. 2026-10-04 23:22 UTCEPSS rescore
  2. 2026-10-04 22:46 UTCVendor advisory
  3. 2026-10-04 22:46 UTCGHSA enrichment
  4. 2026-10-04 10:11 UTCVendor advisory
  5. 2026-10-04 10:11 UTCGHSA enrichment
  6. 2026-10-03 21:03 UTCEG score recompute
  7. 2026-10-03 21:03 UTCVendor advisory
  8. 2026-10-03 21:03 UTCGHSA enrichment
  9. 2026-10-03 14:26 UTCEPSS rescore
  10. 2026-10-02 22:26 UTCEG score recompute
  11. 2026-10-02 22:26 UTCVendor advisory
  12. 2026-10-02 22:26 UTCGHSA enrichment
  13. 2026-10-02 17:56 UTCEPSS rescore
  14. 2026-10-02 08:43 UTCEG score recompute
  15. 2026-10-02 08:43 UTCVendor advisory
  16. 2026-10-02 08:43 UTCGHSA enrichment
  17. 2026-10-01 19:50 UTCEPSS rescore
  18. 2026-10-01 10:52 UTCVendor advisory
  19. 2026-10-01 10:52 UTCGHSA enrichment
  20. 2026-09-30 22:18 UTCEG score recompute
  21. 2026-09-30 22:18 UTCVendor advisory
  22. 2026-09-30 22:18 UTCGHSA enrichment
  23. 2026-09-30 15:03 UTCEPSS rescore
  24. 2026-09-29 05:14 UTCEG score recompute
  25. 2026-09-29 05:14 UTCVendor advisory
Show 75 more
  1. 2026-09-29 05:14 UTCGHSA enrichment
  2. 2026-09-28 13:52 UTCEPSS rescore
  3. 2026-09-28 02:19 UTCEG score recompute
  4. 2026-09-28 02:19 UTCVendor advisory
  5. 2026-09-28 02:19 UTCGHSA enrichment
  6. 2026-09-27 13:48 UTCEPSS rescore
  7. 2026-09-27 10:22 UTCEG score recompute
  8. 2026-09-27 10:22 UTCVendor advisory
  9. 2026-09-27 10:22 UTCGHSA enrichment
  10. 2026-09-26 15:59 UTCEPSS rescore
  11. 2026-09-25 03:55 UTCEG score recompute
  12. 2026-09-25 03:55 UTCVendor advisory
  13. 2026-09-25 03:55 UTCGHSA enrichment
  14. 2026-09-24 02:26 UTCEG score recompute
  15. 2026-09-24 02:26 UTCVendor advisory
  16. 2026-09-24 02:26 UTCGHSA enrichment
  17. 2026-09-23 17:54 UTCEPSS rescore
  18. 2026-09-23 13:50 UTCVendor advisory
  19. 2026-09-23 13:50 UTCGHSA enrichment
  20. 2026-09-23 01:15 UTCEG score recompute
  21. 2026-09-23 01:15 UTCVendor advisory
  22. 2026-09-23 01:15 UTCGHSA enrichment
  23. 2026-09-22 12:41 UTCVendor advisory
  24. 2026-09-22 12:41 UTCGHSA enrichment
  25. 2026-09-21 23:51 UTCEG score recompute
  26. 2026-09-21 23:51 UTCVendor advisory
  27. 2026-09-21 23:51 UTCGHSA enrichment
  28. 2026-09-21 21:09 UTCEPSS rescore
  29. 2026-09-21 10:52 UTCEG score recompute
  30. 2026-09-21 10:52 UTCVendor advisory
  31. 2026-09-21 10:52 UTCGHSA enrichment
  32. 2026-09-20 20:16 UTCEPSS rescore
  33. 2026-09-20 19:37 UTCVendor advisory
  34. 2026-09-20 19:36 UTCGHSA enrichment
  35. 2026-09-20 05:50 UTCVendor advisory
  36. 2026-09-20 05:50 UTCGHSA enrichment
  37. 2026-09-19 17:16 UTCEG score recompute
  38. 2026-09-19 17:16 UTCVendor advisory
  39. 2026-09-19 17:16 UTCGHSA enrichment
  40. 2026-09-19 03:43 UTCEG score recompute
  41. 2026-09-19 03:43 UTCVendor advisory
  42. 2026-09-19 03:43 UTCGHSA enrichment
  43. 2026-09-18 19:28 UTCEPSS rescore
  44. 2026-09-18 15:08 UTCVendor advisory
  45. 2026-09-18 15:08 UTCGHSA enrichment
  46. 2026-09-18 02:31 UTCEG score recompute
  47. 2026-09-18 02:31 UTCVendor advisory
  48. 2026-09-18 02:31 UTCGHSA enrichment
  49. 2026-09-17 13:56 UTCVendor advisory
  50. 2026-09-17 13:56 UTCGHSA enrichment
  51. 2026-09-17 00:34 UTCEG score recompute
  52. 2026-09-17 00:34 UTCVendor advisory
  53. 2026-09-17 00:34 UTCGHSA enrichment
  54. 2026-09-16 14:08 UTCEPSS rescore
  55. 2026-09-16 05:15 UTCEPSS rescore
  56. 2026-09-16 02:09 UTCVendor advisory
  57. 2026-09-16 02:09 UTCGHSA enrichment
  58. 2026-09-15 13:25 UTCEG score recompute
  59. 2026-09-15 13:25 UTCVendor advisory
  60. 2026-09-15 13:25 UTCGHSA enrichment
  61. 2026-09-15 03:12 UTCEPSS rescore
  62. 2026-09-15 00:26 UTCVendor advisory
  63. 2026-09-15 00:26 UTCGHSA enrichment
  64. 2026-09-14 11:48 UTCVendor advisory
  65. 2026-09-14 11:48 UTCGHSA enrichment
  66. 2026-09-13 23:14 UTCEG score recompute
  67. 2026-09-13 23:14 UTCVendor advisory
  68. 2026-09-13 23:14 UTCGHSA enrichment
  69. 2026-09-13 10:40 UTCVendor advisory
  70. 2026-09-13 10:39 UTCGHSA enrichment
  71. 2026-09-12 22:03 UTCEG score recompute
  72. 2026-09-12 22:03 UTCVendor advisory
  73. 2026-09-12 22:03 UTCGHSA enrichment
  74. 2026-09-12 15:02 UTCEPSS rescore
  75. 2026-09-12 09:27 UTCVendor advisory

Related CVEs(same product + same CWE)

Frequently asked(5)

What is CVE-2026-6726?
CVE-2026-6726 is a high vulnerability published on August 11, 2026. 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…
When was CVE-2026-6726 disclosed?
CVE-2026-6726 was first published on August 11, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-6726 actively exploited?
CVE-2026-6726 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (7th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-6726?
CVE-2026-6726 has a CVSS v3.1 base score of 7.9 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-6726?
A fix for CVE-2026-6726 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-6726 are linked in the Vendor Advisories panel on this page.

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