CVE-2026-16922

HIGHPre-NVD 7.07.0—
EchelonGraph scoreHIGH confidence

Score 7.0 from GitHub Security Advisory (severity: HIGH) published 2026-08-20. a secondary CVSS source baseline 7.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.0Exploit: 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 local attacker to execute arbitrary code due to a time-of-check to time-of-use (TOCTOU) race condition.

CVSS v3
7.0
EG Score
7.0(high)
EG Risk
32(Track)
EG Risk 32/100SSVC: 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
Severity70% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
0%
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-2026-16922(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 18× in last 7d / 79× 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. 2026-09-19 12:18 UTCGHSA enrichment
  2. 2026-09-18 23:20 UTCEG score recompute
  3. 2026-09-18 23:20 UTCGHSA enrichment
  4. 2026-09-18 19:27 UTCEPSS rescore
  5. 2026-09-18 10:22 UTCGHSA enrichment
  6. 2026-09-17 21:23 UTCEG score recompute
  7. 2026-09-17 21:23 UTCGHSA enrichment
  8. 2026-09-17 04:55 UTCGHSA enrichment
  9. 2026-09-16 15:56 UTCEG score recompute
  10. 2026-09-16 15:56 UTCGHSA enrichment
  11. 2026-09-16 14:07 UTCEPSS rescore
  12. 2026-09-16 05:14 UTCEPSS rescore
  13. 2026-09-16 02:58 UTCGHSA enrichment
  14. 2026-09-15 14:00 UTCGHSA enrichment
  15. 2026-09-15 01:02 UTCGHSA enrichment
  16. 2026-09-14 12:04 UTCGHSA enrichment
  17. 2026-09-13 23:05 UTCGHSA enrichment
  18. 2026-09-13 10:07 UTCGHSA enrichment
  19. 2026-09-12 21:09 UTCGHSA enrichment
  20. 2026-09-12 08:10 UTCGHSA enrichment
  21. 2026-09-11 19:12 UTCEG score recompute
  22. 2026-09-11 19:12 UTCGHSA enrichment
  23. 2026-09-11 14:52 UTCEPSS rescore
  24. 2026-09-11 05:53 UTCGHSA enrichment
  25. 2026-09-10 16:55 UTCGHSA enrichment
Show 61 more
  1. 2026-09-10 03:57 UTCGHSA enrichment
  2. 2026-09-09 14:58 UTCGHSA enrichment
  3. 2026-09-09 02:00 UTCGHSA enrichment
  4. 2026-09-08 04:32 UTCGHSA enrichment
  5. 2026-09-07 15:34 UTCGHSA enrichment
  6. 2026-09-06 23:23 UTCEG score recompute
  7. 2026-09-06 23:23 UTCGHSA enrichment
  8. 2026-09-06 13:47 UTCEPSS rescore
  9. 2026-09-06 10:25 UTCGHSA enrichment
  10. 2026-09-05 21:27 UTCEG score recompute
  11. 2026-09-05 21:27 UTCGHSA enrichment
  12. 2026-09-05 08:29 UTCGHSA enrichment
  13. 2026-09-04 19:31 UTCGHSA enrichment
  14. 2026-09-04 06:21 UTCEG score recompute
  15. 2026-09-04 06:21 UTCGHSA enrichment
  16. 2026-09-04 05:06 UTCEPSS rescore
  17. 2026-09-03 17:22 UTCGHSA enrichment
  18. 2026-09-03 04:23 UTCGHSA enrichment
  19. 2026-09-02 15:12 UTCGHSA enrichment
  20. 2026-09-02 02:11 UTCGHSA enrichment
  21. 2026-09-01 13:11 UTCGHSA enrichment
  22. 2026-09-01 00:12 UTCGHSA enrichment
  23. 2026-08-31 11:12 UTCGHSA enrichment
  24. 2026-08-30 22:08 UTCGHSA enrichment
  25. 2026-08-30 09:09 UTCGHSA enrichment
  26. 2026-08-29 20:06 UTCGHSA enrichment
  27. 2026-08-29 07:08 UTCEG score recompute
  28. 2026-08-29 07:07 UTCGHSA enrichment
  29. 2026-08-28 21:41 UTCEPSS rescore
  30. 2026-08-28 18:09 UTCGHSA enrichment
  31. 2026-08-28 03:07 UTCGHSA enrichment
  32. 2026-08-27 14:06 UTCGHSA enrichment
  33. 2026-08-27 01:07 UTCGHSA enrichment
  34. 2026-08-26 12:09 UTCGHSA enrichment
  35. 2026-08-25 23:10 UTCEG score recompute
  36. 2026-08-25 23:10 UTCGHSA enrichment
  37. 2026-08-25 13:48 UTCEPSS rescore
  38. 2026-08-25 10:00 UTCGHSA enrichment
  39. 2026-08-24 21:02 UTCGHSA enrichment
  40. 2026-08-24 17:00 UTCEG score recompute
  41. 2026-08-24 17:00 UTCGHSA enrichment
  42. 2026-08-24 10:25 UTCEG score recompute
  43. 2026-08-24 10:25 UTCGHSA enrichment
  44. 2026-08-23 21:26 UTCGHSA enrichment
  45. 2026-08-23 08:28 UTCGHSA enrichment
  46. 2026-08-22 19:30 UTCGHSA enrichment
  47. 2026-08-22 06:32 UTCEG score recompute
  48. 2026-08-22 06:32 UTCGHSA enrichment
  49. 2026-08-21 23:49 UTCEPSS rescore
  50. 2026-08-21 17:34 UTCGHSA enrichment
  51. 2026-08-21 04:35 UTCEG score recompute
  52. 2026-08-21 04:35 UTCGHSA enrichment
  53. 2026-08-21 04:00 UTCEG score recompute
  54. 2026-08-21 04:00 UTCGHSA enrichment
  55. 2026-08-20 17:34 UTCEG score recompute
  56. 2026-08-20 17:34 UTCGHSA enrichment
  57. 2026-08-20 16:33 UTCEG score recompute
  58. 2026-08-20 16:33 UTCGHSA enrichment
  59. 2026-08-20 15:27 UTCEG score recompute
  60. 2026-08-20 14:42 UTCEG score recompute
  61. 2026-08-20 14:41 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-16922?
CVE-2026-16922 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 local attacker to execute arbitrary code due to a time-of-check to time-of-use (TOCTOU) race condition.
When was CVE-2026-16922 disclosed?
CVE-2026-16922 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-2026-16922 actively exploited?
CVE-2026-16922 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 99.9% of all scored CVEs.
What is the CVSS score of CVE-2026-16922?
CVE-2026-16922 has a CVSS v3 base score of 7.0 (NVD).
How do I remediate CVE-2026-16922?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16922, 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-2026-16922

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