CVE-2026-17120

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.4% (31st 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
7.5EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 7.5Exploit: 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 AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to a buffer overflow.

CVSS v3
7.5
EG Score
7.5HIGHmedium confidence
EG Risk
49
EG Risk 49/100CISA 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
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
EPSS PROB
0.4%
EPSS %ILE
31st
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Attend at high (mission-essential systems).

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable yes (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 20, 2026

Last Modified

August 25, 2026

Advisory Details (1)

Auto-updated Aug 20, 2026
No patch confirmed yet.
generic

Security Bulletin: Vulnerabilities in IBM AIX and PowerVM VIOS

https://www.ibm.com/support/pages/node/7283858

Vendor Advisories for CVE-2026-17120(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 23× in last 7d / 97× 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 156 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-17120?
CVE-2026-17120 is a high vulnerability published on August 20, 2026. IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to a buffer overflow.
When was CVE-2026-17120 disclosed?
CVE-2026-17120 was first published on August 20, 2026, with the most recent update on August 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-17120 actively exploited?
CVE-2026-17120 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (31st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-17120?
CVE-2026-17120 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-17120?
No fix for CVE-2026-17120 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-2026-17120 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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