CVE-2026-12818

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: 0.3%, top 83% 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 — 4 sources updated this week
9.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.3Exploit: NoneExposed: 0

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

Delta Electronics DVP12SE PLCs are susceptible to a resource allocation vulnerability without limits or throttling (CWE-770) within their Modbus TCP service.

CVSS v3
9.3
EG Score
9.3(medium)
EPSS
16.6%
KEV
Not listed

Published

June 30, 2026

Last Modified

June 30, 2026

Vendor Advisories for CVE-2026-12818(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 98× in last 7d / 98× 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.

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

Frequently asked(5)

What is CVE-2026-12818?
CVE-2026-12818 is a critical vulnerability published on June 30, 2026. Delta Electronics DVP12SE PLCs are susceptible to a resource allocation vulnerability without limits or throttling (CWE-770) within their Modbus TCP service.
When was CVE-2026-12818 disclosed?
CVE-2026-12818 was first published in the National Vulnerability Database on June 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12818 actively exploited?
CVE-2026-12818 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 16.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-12818?
CVE-2026-12818 has a CVSS v3 base score of 9.3 (NVD).
How do I remediate CVE-2026-12818?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12818, 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-2026-12818

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