CVE-2026-16935

HIGHNVD 7.07.8▲
EchelonGraph scoreHIGH confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-21. NVD baseline CVSS 7.0; sources differ by 0.8.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 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 gain elevated privileges due to a time-of-check to time-of-use (TOCTOU) race condition.

CVSS v3
7.0
EG Score
7.8(high)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity78% × 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 26, 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-2026-16935(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 16× in last 7d / 86× 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 11:20 UTCGHSA enrichment
  2. 2026-09-18 23:37 UTCGHSA enrichment
  3. 2026-09-18 11:50 UTCGHSA enrichment
  4. 2026-09-18 00:07 UTCGHSA enrichment
  5. 2026-09-17 11:07 UTCGHSA enrichment
  6. 2026-09-16 23:23 UTCEG score recompute
  7. 2026-09-16 23:23 UTCGHSA enrichment
  8. 2026-09-16 14:07 UTCEPSS rescore
  9. 2026-09-16 11:40 UTCGHSA enrichment
  10. 2026-09-15 23:39 UTCGHSA enrichment
  11. 2026-09-15 11:34 UTCGHSA enrichment
  12. 2026-09-14 23:48 UTCGHSA enrichment
  13. 2026-09-14 11:41 UTCGHSA enrichment
  14. 2026-09-13 23:58 UTCGHSA enrichment
  15. 2026-09-13 12:14 UTCGHSA enrichment
  16. 2026-09-13 00:31 UTCGHSA enrichment
  17. 2026-09-12 12:47 UTCGHSA enrichment
  18. 2026-09-12 01:03 UTCEG score recompute
  19. 2026-09-12 01:03 UTCGHSA enrichment
  20. 2026-09-11 14:52 UTCEPSS rescore
  21. 2026-09-11 13:19 UTCGHSA enrichment
  22. 2026-09-11 01:35 UTCGHSA enrichment
  23. 2026-09-10 13:51 UTCEG score recompute
  24. 2026-09-10 13:51 UTCGHSA enrichment
  25. 2026-09-10 09:34 UTCEPSS rescore
Show 61 more
  1. 2026-09-10 02:07 UTCGHSA enrichment
  2. 2026-09-09 14:23 UTCGHSA enrichment
  3. 2026-09-09 01:53 UTCGHSA enrichment
  4. 2026-09-07 22:21 UTCGHSA enrichment
  5. 2026-09-07 10:37 UTCGHSA enrichment
  6. 2026-09-06 22:52 UTCGHSA enrichment
  7. 2026-09-06 11:07 UTCGHSA enrichment
  8. 2026-09-05 23:23 UTCGHSA enrichment
  9. 2026-09-05 11:40 UTCGHSA enrichment
  10. 2026-09-04 23:54 UTCEG score recompute
  11. 2026-09-04 23:54 UTCGHSA enrichment
  12. 2026-09-04 12:11 UTCGHSA enrichment
  13. 2026-09-04 00:27 UTCGHSA enrichment
  14. 2026-09-03 12:42 UTCGHSA enrichment
  15. 2026-09-03 00:58 UTCGHSA enrichment
  16. 2026-09-02 13:14 UTCGHSA enrichment
  17. 2026-09-02 01:28 UTCGHSA enrichment
  18. 2026-09-01 13:34 UTCGHSA enrichment
  19. 2026-09-01 01:50 UTCGHSA enrichment
  20. 2026-08-31 14:07 UTCGHSA enrichment
  21. 2026-08-31 01:40 UTCGHSA enrichment
  22. 2026-08-30 13:56 UTCGHSA enrichment
  23. 2026-08-30 02:12 UTCGHSA enrichment
  24. 2026-08-29 14:29 UTCGHSA enrichment
  25. 2026-08-29 02:46 UTCEG score recompute
  26. 2026-08-29 02:45 UTCGHSA enrichment
  27. 2026-08-28 21:41 UTCEPSS rescore
  28. 2026-08-28 15:02 UTCGHSA enrichment
  29. 2026-08-28 03:13 UTCGHSA enrichment
  30. 2026-08-27 15:28 UTCGHSA enrichment
  31. 2026-08-27 03:42 UTCGHSA enrichment
  32. 2026-08-26 15:59 UTCGHSA enrichment
  33. 2026-08-26 14:24 UTCGHSA enrichment
  34. 2026-08-26 04:41 UTCGHSA enrichment
  35. 2026-08-25 16:58 UTCEG score recompute
  36. 2026-08-25 16:58 UTCGHSA enrichment
  37. 2026-08-25 13:48 UTCEPSS rescore
  38. 2026-08-25 05:08 UTCGHSA enrichment
  39. 2026-08-24 17:24 UTCEG score recompute
  40. 2026-08-24 17:24 UTCGHSA enrichment
  41. 2026-08-24 17:24 UTCNVD updateCVSS v3 → 7
  42. 2026-08-24 16:59 UTCGHSA enrichment
  43. 2026-08-24 15:04 UTCEG score recompute
  44. 2026-08-24 15:04 UTCGHSA enrichment
  45. 2026-08-24 03:19 UTCGHSA enrichment
  46. 2026-08-23 15:35 UTCGHSA enrichment
  47. 2026-08-23 03:51 UTCEG score recompute
  48. 2026-08-23 03:51 UTCGHSA enrichment
  49. 2026-08-23 00:19 UTCEPSS rescore
  50. 2026-08-22 16:07 UTCGHSA enrichment
  51. 2026-08-22 04:22 UTCEG score recompute
  52. 2026-08-22 04:22 UTCGHSA enrichment
  53. 2026-08-22 04:02 UTCEG score recompute
  54. 2026-08-22 04:02 UTCGHSA enrichment
  55. 2026-08-21 23:49 UTCEPSS rescore
  56. 2026-08-21 21:54 UTCGHSA enrichment
  57. 2026-08-21 10:08 UTCEG score recompute
  58. 2026-08-21 10:08 UTCGHSA enrichment
  59. 2026-08-20 22:24 UTCEG score recompute
  60. 2026-08-20 21:42 UTCEG score recompute
  61. 2026-08-20 21:41 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-16935?
CVE-2026-16935 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 gain elevated privileges due to a time-of-check to time-of-use (TOCTOU) race condition.
When was CVE-2026-16935 disclosed?
CVE-2026-16935 was first published in the National Vulnerability Database on August 20, 2026, with the most recent update on August 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16935 actively exploited?
CVE-2026-16935 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-2026-16935?
CVE-2026-16935 has a CVSS v3 base score of 7.0 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.8.
How do I remediate CVE-2026-16935?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16935, 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-2026-16935

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