CVE-2026-0667

CRITICALPre-NVD 9.39.3
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.4%, top 69% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 3 sources updated this week
9.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.3Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability that could cause arbitrary code execution, denial of service and loss of confidentiality & integrity when communicating over the Modbus TCP protocol.

CVSS v3
9.3
EG Score
9.3(medium)
EG Risk
46(Track)
EG Risk 46/100SSVC: Track

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
Severity93% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
31%
KEV
Not listed

Published

July 29, 2026

Last Modified

July 30, 2026

Vendor Advisories for CVE-2026-0667(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 33× in last 7d / 159× 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 343 total refreshes for this CVE.

  1. 2026-09-19 04:55 UTCGHSA enrichment
  2. 2026-09-18 23:13 UTCEG score recompute
  3. 2026-09-18 23:13 UTCGHSA enrichment
  4. 2026-09-18 19:27 UTCEPSS rescore
  5. 2026-09-18 19:25 UTCGHSA enrichment
  6. 2026-09-18 15:18 UTCGHSA enrichment
  7. 2026-09-18 09:14 UTCGHSA enrichment
  8. 2026-09-18 05:28 UTCGHSA enrichment
  9. 2026-09-18 01:43 UTCEG score recompute
  10. 2026-09-18 01:43 UTCGHSA enrichment
  11. 2026-09-17 09:09 UTCGHSA enrichment
  12. 2026-09-17 05:23 UTCGHSA enrichment
  13. 2026-09-17 01:37 UTCEG score recompute
  14. 2026-09-17 01:37 UTCGHSA enrichment
  15. 2026-09-16 11:49 UTCGHSA enrichment
  16. 2026-09-16 05:49 UTCEG score recompute
  17. 2026-09-16 05:49 UTCGHSA enrichment
  18. 2026-09-16 05:14 UTCEPSS rescore
  19. 2026-09-15 08:09 UTCEG score recompute
  20. 2026-09-15 08:09 UTCGHSA enrichment
  21. 2026-09-14 15:06 UTCGHSA enrichment
  22. 2026-09-14 10:51 UTCGHSA enrichment
  23. 2026-09-14 07:07 UTCGHSA enrichment
  24. 2026-09-14 03:23 UTCGHSA enrichment
  25. 2026-09-13 23:38 UTCGHSA enrichment
Show 75 more
  1. 2026-09-13 19:54 UTCEG score recompute
  2. 2026-09-13 19:54 UTCGHSA enrichment
  3. 2026-09-13 16:46 UTCEPSS rescore
  4. 2026-09-13 15:19 UTCGHSA enrichment
  5. 2026-09-13 11:20 UTCGHSA enrichment
  6. 2026-09-13 07:34 UTCGHSA enrichment
  7. 2026-09-13 03:48 UTCGHSA enrichment
  8. 2026-09-12 23:59 UTCGHSA enrichment
  9. 2026-09-12 19:58 UTCGHSA enrichment
  10. 2026-09-12 16:13 UTCEG score recompute
  11. 2026-09-12 16:13 UTCGHSA enrichment
  12. 2026-09-12 15:00 UTCEPSS rescore
  13. 2026-09-12 12:29 UTCGHSA enrichment
  14. 2026-09-12 08:37 UTCGHSA enrichment
  15. 2026-09-12 04:49 UTCGHSA enrichment
  16. 2026-09-12 00:38 UTCGHSA enrichment
  17. 2026-09-11 19:22 UTCGHSA enrichment
  18. 2026-09-11 15:06 UTCEG score recompute
  19. 2026-09-11 15:06 UTCGHSA enrichment
  20. 2026-09-11 14:52 UTCEPSS rescore
  21. 2026-09-11 09:36 UTCEPSS rescore
  22. 2026-09-11 09:04 UTCGHSA enrichment
  23. 2026-09-11 05:18 UTCGHSA enrichment
  24. 2026-09-11 01:25 UTCGHSA enrichment
  25. 2026-09-10 19:52 UTCGHSA enrichment
  26. 2026-09-10 13:05 UTCEG score recompute
  27. 2026-09-10 13:05 UTCGHSA enrichment
  28. 2026-09-10 09:34 UTCEPSS rescore
  29. 2026-09-10 07:15 UTCGHSA enrichment
  30. 2026-09-09 11:34 UTCGHSA enrichment
  31. 2026-09-09 07:50 UTCEG score recompute
  32. 2026-09-09 07:50 UTCGHSA enrichment
  33. 2026-09-08 22:00 UTCEPSS rescore
  34. 2026-09-08 04:52 UTCGHSA enrichment
  35. 2026-09-08 00:37 UTCGHSA enrichment
  36. 2026-09-07 20:52 UTCEG score recompute
  37. 2026-09-07 20:52 UTCGHSA enrichment
  38. 2026-09-07 16:01 UTCEPSS rescore
  39. 2026-09-06 22:42 UTCGHSA enrichment
  40. 2026-09-06 18:22 UTCGHSA enrichment
  41. 2026-09-06 14:19 UTCEG score recompute
  42. 2026-09-06 14:19 UTCGHSA enrichment
  43. 2026-09-06 13:47 UTCEPSS rescore
  44. 2026-09-06 10:34 UTCGHSA enrichment
  45. 2026-09-06 06:50 UTCGHSA enrichment
  46. 2026-09-06 02:35 UTCGHSA enrichment
  47. 2026-09-05 22:51 UTCGHSA enrichment
  48. 2026-09-05 19:07 UTCEG score recompute
  49. 2026-09-05 19:07 UTCGHSA enrichment
  50. 2026-09-05 09:05 UTCGHSA enrichment
  51. 2026-09-05 05:20 UTCGHSA enrichment
  52. 2026-09-04 16:17 UTCEG score recompute
  53. 2026-09-04 16:17 UTCGHSA enrichment
  54. 2026-09-04 11:56 UTCEG score recompute
  55. 2026-09-04 11:56 UTCGHSA enrichment
  56. 2026-09-04 05:06 UTCEPSS rescore
  57. 2026-09-02 14:11 UTCEPSS rescore
  58. 2026-09-01 22:47 UTCEG score recompute
  59. 2026-09-01 22:47 UTCGHSA enrichment
  60. 2026-09-01 13:53 UTCEPSS rescore
  61. 2026-09-01 04:39 UTCEPSS rescore
  62. 2026-09-01 00:01 UTCGHSA enrichment
  63. 2026-08-31 05:24 UTCGHSA enrichment
  64. 2026-08-31 01:39 UTCGHSA enrichment
  65. 2026-08-30 21:54 UTCEG score recompute
  66. 2026-08-30 21:54 UTCGHSA enrichment
  67. 2026-08-30 19:17 UTCEPSS rescore
  68. 2026-08-30 18:10 UTCGHSA enrichment
  69. 2026-08-30 14:25 UTCGHSA enrichment
  70. 2026-08-30 10:41 UTCGHSA enrichment
  71. 2026-08-30 06:56 UTCGHSA enrichment
  72. 2026-08-30 03:06 UTCEG score recompute
  73. 2026-08-30 03:06 UTCGHSA enrichment
  74. 2026-08-30 01:21 UTCEPSS rescore
  75. 2026-08-29 23:21 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-0667?
CVE-2026-0667 is a critical vulnerability published on July 29, 2026. CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability that could cause arbitrary code execution, denial of service and loss of confidentiality & integrity when communicating over the Modbus TCP protocol.
When was CVE-2026-0667 disclosed?
CVE-2026-0667 was first published in the National Vulnerability Database on July 29, 2026, with the most recent update on July 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-0667 actively exploited?
CVE-2026-0667 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 69.2% of all scored CVEs.
What is the CVSS score of CVE-2026-0667?
CVE-2026-0667 has a CVSS v3 base score of 9.3 (NVD).
How do I remediate CVE-2026-0667?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-0667, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-0667

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