CVE-2026-18086

MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.3 under NVD CVSS v3. EPSS exploit probability: 0.1% (1st percentile of EPSS-scored CVEs). GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 5.3Exploit: None knownExposed services: Not assessed

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

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to execute arbitrary code or cause a denial of service due to improper bounds checking.

CVSS v3
5.3
EG Score
5.3MEDIUMmedium confidence
EG Risk
24
EG Risk 24/100CISA 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
Severity53% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.1%
EPSS %ILE
1st
KEV
Not listed

CISA SSVCTrack at every mission impact level.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (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 13, 2026

Last Modified

August 19, 2026

Advisory Details (1)

Auto-updated Aug 13, 2026
No patch confirmed yet.
generic

Security Bulletin: IBM i is Affected By Multiple Vulnerabilities in Java Secure Sockets Extension

https://www.ibm.com/support/pages/node/7283285

Vendor Advisories for CVE-2026-18086(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 12× in last 7d / 58× 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 117 total refreshes for this CVE.

  1. 2026-10-04 23:21 UTCEPSS rescore
  2. 2026-10-04 22:15 UTCGHSA enrichment
  3. 2026-10-03 19:44 UTCEG score recompute
  4. 2026-10-03 19:44 UTCGHSA enrichment
  5. 2026-10-03 14:25 UTCEPSS rescore
  6. 2026-10-02 07:27 UTCEG score recompute
  7. 2026-10-02 07:27 UTCGHSA enrichment
  8. 2026-10-01 19:49 UTCEPSS rescore
  9. 2026-09-30 21:43 UTCEG score recompute
  10. 2026-09-30 21:43 UTCGHSA enrichment
  11. 2026-09-30 15:02 UTCEPSS rescore
  12. 2026-09-29 15:20 UTCEPSS rescore
  13. 2026-09-28 13:51 UTCEPSS rescore
  14. 2026-09-28 09:30 UTCEG score recompute
  15. 2026-09-28 09:30 UTCGHSA enrichment
  16. 2026-09-27 13:47 UTCEPSS rescore
  17. 2026-09-27 09:41 UTCEG score recompute
  18. 2026-09-27 09:41 UTCGHSA enrichment
  19. 2026-09-26 15:58 UTCEPSS rescore
  20. 2026-09-25 06:03 UTCEG score recompute
  21. 2026-09-25 06:03 UTCGHSA enrichment
  22. 2026-09-24 06:13 UTCEG score recompute
  23. 2026-09-24 06:13 UTCGHSA enrichment
  24. 2026-09-23 06:24 UTCEG score recompute
  25. 2026-09-23 06:24 UTCGHSA enrichment
Show 75 more
  1. 2026-09-22 06:34 UTCGHSA enrichment
  2. 2026-09-21 06:16 UTCGHSA enrichment
  3. 2026-09-20 05:42 UTCGHSA enrichment
  4. 2026-09-19 05:52 UTCGHSA enrichment
  5. 2026-09-18 05:57 UTCEG score recompute
  6. 2026-09-18 05:57 UTCGHSA enrichment
  7. 2026-09-17 06:07 UTCEG score recompute
  8. 2026-09-17 06:07 UTCGHSA enrichment
  9. 2026-09-16 14:07 UTCEPSS rescore
  10. 2026-09-16 05:51 UTCGHSA enrichment
  11. 2026-09-15 06:01 UTCEG score recompute
  12. 2026-09-15 06:01 UTCGHSA enrichment
  13. 2026-09-14 05:14 UTCEG score recompute
  14. 2026-09-14 05:14 UTCGHSA enrichment
  15. 2026-09-13 16:46 UTCEPSS rescore
  16. 2026-09-13 05:25 UTCEG score recompute
  17. 2026-09-13 05:25 UTCGHSA enrichment
  18. 2026-09-12 15:00 UTCEPSS rescore
  19. 2026-09-12 05:35 UTCEG score recompute
  20. 2026-09-12 05:35 UTCGHSA enrichment
  21. 2026-09-11 14:52 UTCEPSS rescore
  22. 2026-09-11 09:36 UTCEPSS rescore
  23. 2026-09-11 05:45 UTCEG score recompute
  24. 2026-09-11 05:45 UTCGHSA enrichment
  25. 2026-09-10 09:34 UTCEPSS rescore
  26. 2026-09-10 05:54 UTCGHSA enrichment
  27. 2026-09-09 06:05 UTCGHSA enrichment
  28. 2026-09-08 06:15 UTCGHSA enrichment
  29. 2026-09-07 05:52 UTCEG score recompute
  30. 2026-09-07 05:52 UTCGHSA enrichment
  31. 2026-09-06 13:47 UTCEPSS rescore
  32. 2026-09-06 06:02 UTCEG score recompute
  33. 2026-09-06 06:02 UTCGHSA enrichment
  34. 2026-09-05 06:13 UTCGHSA enrichment
  35. 2026-09-04 06:23 UTCEG score recompute
  36. 2026-09-04 06:22 UTCGHSA enrichment
  37. 2026-09-04 05:06 UTCEPSS rescore
  38. 2026-09-03 06:25 UTCEG score recompute
  39. 2026-09-03 06:25 UTCGHSA enrichment
  40. 2026-09-02 14:11 UTCEPSS rescore
  41. 2026-09-02 06:34 UTCEG score recompute
  42. 2026-09-02 06:34 UTCGHSA enrichment
  43. 2026-09-01 13:53 UTCEPSS rescore
  44. 2026-09-01 06:42 UTCGHSA enrichment
  45. 2026-08-31 06:49 UTCEG score recompute
  46. 2026-08-31 06:49 UTCGHSA enrichment
  47. 2026-08-30 19:17 UTCEPSS rescore
  48. 2026-08-30 07:00 UTCGHSA enrichment
  49. 2026-08-29 07:11 UTCEG score recompute
  50. 2026-08-29 07:10 UTCGHSA enrichment
  51. 2026-08-28 21:41 UTCEPSS rescore
  52. 2026-08-27 19:32 UTCGHSA enrichment
  53. 2026-08-26 18:43 UTCEG score recompute
  54. 2026-08-26 18:43 UTCGHSA enrichment
  55. 2026-08-26 14:46 UTCEPSS rescore
  56. 2026-08-25 17:12 UTCEG score recompute
  57. 2026-08-25 17:12 UTCGHSA enrichment
  58. 2026-08-25 13:48 UTCEPSS rescore
  59. 2026-08-24 17:14 UTCEG score recompute
  60. 2026-08-24 17:14 UTCGHSA enrichment
  61. 2026-08-23 16:19 UTCEG score recompute
  62. 2026-08-23 16:19 UTCGHSA enrichment
  63. 2026-08-23 00:19 UTCEPSS rescore
  64. 2026-08-22 16:30 UTCGHSA enrichment
  65. 2026-08-21 16:37 UTCEG score recompute
  66. 2026-08-21 16:37 UTCGHSA enrichment
  67. 2026-08-20 22:55 UTCEPSS rescore
  68. 2026-08-20 16:47 UTCEG score recompute
  69. 2026-08-20 16:47 UTCGHSA enrichment
  70. 2026-08-19 17:03 UTCEPSS rescore
  71. 2026-08-19 16:46 UTCEG score recompute▲ 0.80
  72. 2026-08-19 16:46 UTCGHSA enrichment
  73. 2026-08-19 16:44 UTCNVD updateCVSS v3 → 5.3
  74. 2026-08-18 19:00 UTCGHSA enrichment
  75. 2026-08-17 19:10 UTCEG score recompute

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-18086?
CVE-2026-18086 is a medium vulnerability published on August 13, 2026. IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to execute arbitrary code or cause a denial of service due to improper bounds checking.
When was CVE-2026-18086 disclosed?
CVE-2026-18086 was first published on August 13, 2026, with the most recent update on August 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-18086 actively exploited?
CVE-2026-18086 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (1st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-18086?
CVE-2026-18086 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-18086?
No fix for CVE-2026-18086 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-18086 are linked in the Vendor Advisories panel on this page.

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