CVE-2026-17083

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-12. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

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

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to execute arbitrary code due to a stack-based buffer overflow.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity98% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
38%
KEV
Not listed

Published

August 12, 2026

Last Modified

August 17, 2026

Advisory Details (1)

Auto-updated Aug 17, 2026
No patch confirmed yet.
generic

Security Bulletin: IBM i is Affected By Multiple Vulnerabilities in the Debug Server

https://www.ibm.com/support/pages/node/7283276

Vendor Advisories for CVE-2026-17083(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 54× in last 7d / 69× 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. 2026-08-20 21:05 UTCGHSA enrichment
  2. 2026-08-20 16:48 UTCGHSA enrichment
  3. 2026-08-20 12:28 UTCGHSA enrichment
  4. 2026-08-20 08:11 UTCGHSA enrichment
  5. 2026-08-20 03:55 UTCGHSA enrichment
  6. 2026-08-19 23:37 UTCGHSA enrichment
  7. 2026-08-19 19:18 UTCEG score recompute
  8. 2026-08-19 19:18 UTCGHSA enrichment
  9. 2026-08-19 17:03 UTCEPSS rescore
  10. 2026-08-19 14:59 UTCGHSA enrichment
  11. 2026-08-19 10:41 UTCGHSA enrichment
  12. 2026-08-19 06:21 UTCGHSA enrichment
  13. 2026-08-19 01:55 UTCGHSA enrichment
  14. 2026-08-18 21:38 UTCGHSA enrichment
  15. 2026-08-18 17:16 UTCEG score recompute
  16. 2026-08-18 17:16 UTCGHSA enrichment
  17. 2026-08-18 13:48 UTCEPSS rescore
  18. 2026-08-18 12:44 UTCGHSA enrichment
  19. 2026-08-18 08:06 UTCGHSA enrichment
  20. 2026-08-18 03:46 UTCGHSA enrichment
  21. 2026-08-17 23:30 UTCGHSA enrichment
  22. 2026-08-17 19:13 UTCGHSA enrichment
  23. 2026-08-17 14:49 UTCEG score recompute
  24. 2026-08-17 14:49 UTCGHSA enrichment
  25. 2026-08-17 13:47 UTCEPSS rescore
Show 44 more
  1. 2026-08-17 12:39 UTCGHSA enrichment
  2. 2026-08-17 08:21 UTCGHSA enrichment
  3. 2026-08-17 04:05 UTCGHSA enrichment
  4. 2026-08-16 23:48 UTCGHSA enrichment
  5. 2026-08-16 19:31 UTCGHSA enrichment
  6. 2026-08-16 15:14 UTCEG score recompute
  7. 2026-08-16 15:14 UTCGHSA enrichment
  8. 2026-08-16 14:56 UTCEPSS rescore
  9. 2026-08-16 10:57 UTCGHSA enrichment
  10. 2026-08-16 06:41 UTCGHSA enrichment
  11. 2026-08-16 02:24 UTCEG score recompute
  12. 2026-08-16 02:24 UTCGHSA enrichment
  13. 2026-08-16 02:14 UTCEPSS rescore
  14. 2026-08-15 22:08 UTCGHSA enrichment
  15. 2026-08-15 17:51 UTCGHSA enrichment
  16. 2026-08-15 13:34 UTCGHSA enrichment
  17. 2026-08-15 09:13 UTCGHSA enrichment
  18. 2026-08-15 04:56 UTCEG score recompute
  19. 2026-08-15 04:56 UTCGHSA enrichment
  20. 2026-08-15 01:30 UTCEPSS rescore
  21. 2026-08-15 00:39 UTCGHSA enrichment
  22. 2026-08-14 20:23 UTCGHSA enrichment
  23. 2026-08-14 16:06 UTCGHSA enrichment
  24. 2026-08-14 11:49 UTCGHSA enrichment
  25. 2026-08-14 07:32 UTCGHSA enrichment
  26. 2026-08-14 03:16 UTCGHSA enrichment
  27. 2026-08-13 22:59 UTCEG score recompute
  28. 2026-08-13 22:59 UTCGHSA enrichment
  29. 2026-08-13 22:00 UTCEPSS rescore
  30. 2026-08-13 18:42 UTCGHSA enrichment
  31. 2026-08-13 14:25 UTCEG score recompute
  32. 2026-08-13 14:25 UTCGHSA enrichment
  33. 2026-08-13 13:56 UTCEG score recompute
  34. 2026-08-13 13:56 UTCGHSA enrichment
  35. 2026-08-13 09:36 UTCGHSA enrichment
  36. 2026-08-13 05:19 UTCEG score recompute
  37. 2026-08-13 05:19 UTCGHSA enrichment
  38. 2026-08-13 04:21 UTCEG score recompute
  39. 2026-08-13 04:21 UTCGHSA enrichment
  40. 2026-08-13 01:17 UTCEG score recompute
  41. 2026-08-13 01:17 UTCGHSA enrichment
  42. 2026-08-12 20:19 UTCEG score recompute
  43. 2026-08-12 19:46 UTCEG score recompute
  44. 2026-08-12 19:45 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-17083?
CVE-2026-17083 is a critical vulnerability published on August 12, 2026. IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to execute arbitrary code due to a stack-based buffer overflow.
When was CVE-2026-17083 disclosed?
CVE-2026-17083 was first published in the National Vulnerability Database on August 12, 2026, with the most recent update on August 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-17083 actively exploited?
CVE-2026-17083 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 62.1% of all scored CVEs.
What is the CVSS score of CVE-2026-17083?
CVE-2026-17083 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-17083?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-17083, 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-2026-17083

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