CVE-2026-16924

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-20. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

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

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 an improper calculation of a memory offset during IPsec decapsulation.

CVSS v3
7.5
EG Score
7.5(high)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
24%
KEV
Not listed

Published

August 20, 2026

Last Modified

August 24, 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-2026-16924(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 24× in last 7d / 109× 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 109 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-16924?
CVE-2026-16924 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 an improper calculation of a memory offset during IPsec decapsulation.
When was CVE-2026-16924 disclosed?
CVE-2026-16924 was first published in the National Vulnerability Database on August 20, 2026, with the most recent update on August 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16924 actively exploited?
CVE-2026-16924 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 75.5% of all scored CVEs.
What is the CVSS score of CVE-2026-16924?
CVE-2026-16924 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-16924?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16924, 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

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