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 70% 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
30%
KEV
Not listed

Published

July 29, 2026

Last Modified

July 30, 2026

Advisory Details (1)

Auto-updated Aug 23, 2026
No patch confirmed yet.
generic
https://download.se.com/files?p_Doc_Ref=SEVD-2026-041-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2026-041-01.pdf

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 42× in last 7d / 232× 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 248 total refreshes for this CVE.

  1. 2026-08-30 06:56 UTCGHSA enrichment
  2. 2026-08-30 03:06 UTCEG score recompute
  3. 2026-08-30 03:06 UTCGHSA enrichment
  4. 2026-08-30 01:21 UTCEPSS rescore
  5. 2026-08-29 23:21 UTCEG score recompute
  6. 2026-08-29 23:21 UTCGHSA enrichment
  7. 2026-08-28 21:40 UTCEPSS rescore
  8. 2026-08-28 04:53 UTCGHSA enrichment
  9. 2026-08-28 01:09 UTCGHSA enrichment
  10. 2026-08-27 20:56 UTCEG score recompute
  11. 2026-08-27 20:56 UTCGHSA enrichment
  12. 2026-08-27 14:24 UTCEPSS rescore
  13. 2026-08-27 13:13 UTCGHSA enrichment
  14. 2026-08-27 09:28 UTCGHSA enrichment
  15. 2026-08-27 03:08 UTCGHSA enrichment
  16. 2026-08-26 23:24 UTCGHSA enrichment
  17. 2026-08-26 19:40 UTCEG score recompute
  18. 2026-08-26 19:40 UTCGHSA enrichment
  19. 2026-08-26 11:54 UTCGHSA enrichment
  20. 2026-08-26 08:10 UTCGHSA enrichment
  21. 2026-08-26 04:25 UTCGHSA enrichment
  22. 2026-08-26 00:35 UTCGHSA enrichment
  23. 2026-08-25 20:45 UTCGHSA enrichment
  24. 2026-08-25 16:40 UTCEG score recompute
  25. 2026-08-25 16:39 UTCGHSA enrichment
Show 75 more
  1. 2026-08-25 13:48 UTCEPSS rescore
  2. 2026-08-25 12:39 UTCGHSA enrichment
  3. 2026-08-25 08:54 UTCGHSA enrichment
  4. 2026-08-25 05:09 UTCGHSA enrichment
  5. 2026-08-25 01:25 UTCGHSA enrichment
  6. 2026-08-24 21:40 UTCGHSA enrichment
  7. 2026-08-24 17:54 UTCEG score recompute
  8. 2026-08-24 17:54 UTCGHSA enrichment
  9. 2026-08-24 12:30 UTCEG score recompute
  10. 2026-08-24 12:30 UTCGHSA enrichment
  11. 2026-08-24 08:42 UTCGHSA enrichment
  12. 2026-08-24 04:33 UTCGHSA enrichment
  13. 2026-08-24 00:48 UTCGHSA enrichment
  14. 2026-08-23 21:04 UTCGHSA enrichment
  15. 2026-08-23 17:19 UTCGHSA enrichment
  16. 2026-08-23 13:34 UTCGHSA enrichment
  17. 2026-08-23 09:49 UTCGHSA enrichment
  18. 2026-08-23 06:05 UTCGHSA enrichment
  19. 2026-08-23 02:20 UTCEG score recompute
  20. 2026-08-23 02:20 UTCGHSA enrichment
  21. 2026-08-23 00:19 UTCEPSS rescore
  22. 2026-08-22 22:36 UTCGHSA enrichment
  23. 2026-08-22 18:51 UTCGHSA enrichment
  24. 2026-08-22 15:06 UTCGHSA enrichment
  25. 2026-08-22 11:21 UTCGHSA enrichment
  26. 2026-08-22 07:36 UTCGHSA enrichment
  27. 2026-08-22 03:51 UTCGHSA enrichment
  28. 2026-08-22 00:07 UTCEG score recompute
  29. 2026-08-22 00:07 UTCGHSA enrichment
  30. 2026-08-21 23:48 UTCEPSS rescore
  31. 2026-08-21 20:22 UTCGHSA enrichment
  32. 2026-08-21 16:38 UTCGHSA enrichment
  33. 2026-08-21 12:53 UTCGHSA enrichment
  34. 2026-08-21 09:09 UTCGHSA enrichment
  35. 2026-08-21 05:25 UTCGHSA enrichment
  36. 2026-08-21 01:40 UTCEG score recompute
  37. 2026-08-21 01:40 UTCGHSA enrichment
  38. 2026-08-20 22:55 UTCEPSS rescore
  39. 2026-08-20 21:56 UTCGHSA enrichment
  40. 2026-08-20 18:11 UTCGHSA enrichment
  41. 2026-08-20 14:26 UTCGHSA enrichment
  42. 2026-08-20 10:40 UTCGHSA enrichment
  43. 2026-08-20 06:56 UTCGHSA enrichment
  44. 2026-08-20 03:11 UTCGHSA enrichment
  45. 2026-08-19 23:24 UTCGHSA enrichment
  46. 2026-08-19 19:39 UTCEG score recompute
  47. 2026-08-19 19:39 UTCGHSA enrichment
  48. 2026-08-19 17:03 UTCEPSS rescore
  49. 2026-08-19 13:27 UTCGHSA enrichment
  50. 2026-08-19 09:42 UTCGHSA enrichment
  51. 2026-08-19 05:49 UTCGHSA enrichment
  52. 2026-08-19 02:04 UTCGHSA enrichment
  53. 2026-08-18 22:20 UTCGHSA enrichment
  54. 2026-08-18 18:36 UTCEG score recompute
  55. 2026-08-18 18:36 UTCGHSA enrichment
  56. 2026-08-18 13:48 UTCEPSS rescore
  57. 2026-08-18 13:03 UTCGHSA enrichment
  58. 2026-08-18 08:46 UTCGHSA enrichment
  59. 2026-08-18 04:49 UTCGHSA enrichment
  60. 2026-08-18 01:05 UTCGHSA enrichment
  61. 2026-08-17 20:45 UTCGHSA enrichment
  62. 2026-08-17 17:00 UTCEG score recompute
  63. 2026-08-17 17:00 UTCGHSA enrichment
  64. 2026-08-17 13:15 UTCGHSA enrichment
  65. 2026-08-17 09:31 UTCGHSA enrichment
  66. 2026-08-17 05:47 UTCGHSA enrichment
  67. 2026-08-17 01:32 UTCGHSA enrichment
  68. 2026-08-16 21:48 UTCGHSA enrichment
  69. 2026-08-16 18:04 UTCEG score recompute
  70. 2026-08-16 18:04 UTCGHSA enrichment
  71. 2026-08-16 14:56 UTCEPSS rescore
  72. 2026-08-16 14:19 UTCGHSA enrichment
  73. 2026-08-16 10:35 UTCGHSA enrichment
  74. 2026-08-16 06:49 UTCGHSA enrichment
  75. 2026-08-16 03:05 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 70.3% 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

Explore →

Is Your Infrastructure Affected by CVE-2026-0667?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs