CVE-2026-16890

LOWPre-NVD 3.63.6—
EchelonGraph scoreMEDIUM confidence

Score 3.6 from GitHub Security Advisory (severity: LOW) published 2026-08-19. A secondary CVSS source baseline 3.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
3.6EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 3.6Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to obtain sensitive information or cause a denial of service due to an integer overflow.

CVSS v3
3.6
EG Score
3.6LOWmedium confidence
EG Risk
16
EG Risk 16/100CISA 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
Severity36% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.1%
EPSS %ILE
1st
KEV
Not listed

CISA SSVCTrack at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (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 19, 2026

Last Modified

August 20, 2026

References (1)

Vendor Advisories for CVE-2026-16890(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 9× in last 7d / 40× 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. 2026-10-04 23:21 UTCEPSS rescore
  2. 2026-10-03 16:53 UTCEG score recompute
  3. 2026-10-03 16:53 UTCGHSA enrichment
  4. 2026-10-03 14:25 UTCEPSS rescore
  5. 2026-10-01 19:49 UTCEPSS rescore
  6. 2026-09-30 23:00 UTCEG score recompute
  7. 2026-09-30 23:00 UTCGHSA enrichment
  8. 2026-09-30 15:02 UTCEPSS rescore
  9. 2026-09-29 15:20 UTCEPSS rescore
  10. 2026-09-28 13:51 UTCEPSS rescore
  11. 2026-09-28 05:57 UTCEG score recompute
  12. 2026-09-28 05:57 UTCGHSA enrichment
  13. 2026-09-27 13:47 UTCEPSS rescore
  14. 2026-09-26 15:58 UTCEPSS rescore
  15. 2026-09-25 12:53 UTCEG score recompute
  16. 2026-09-25 12:53 UTCGHSA enrichment
  17. 2026-09-22 19:49 UTCEG score recompute
  18. 2026-09-22 19:49 UTCGHSA enrichment
  19. 2026-09-19 23:07 UTCEG score recompute
  20. 2026-09-19 23:07 UTCGHSA enrichment
  21. 2026-09-18 19:27 UTCEPSS rescore
  22. 2026-09-17 06:03 UTCEG score recompute
  23. 2026-09-17 06:03 UTCGHSA enrichment
  24. 2026-09-16 14:07 UTCEPSS rescore
  25. 2026-09-14 12:46 UTCEG score recompute
Show 45 more
  1. 2026-09-14 12:46 UTCGHSA enrichment
  2. 2026-09-13 16:46 UTCEPSS rescore
  3. 2026-09-12 15:00 UTCEPSS rescore
  4. 2026-09-11 19:35 UTCEG score recompute
  5. 2026-09-11 19:35 UTCGHSA enrichment
  6. 2026-09-11 14:52 UTCEPSS rescore
  7. 2026-09-11 09:36 UTCEPSS rescore
  8. 2026-09-10 09:34 UTCEPSS rescore
  9. 2026-09-09 02:31 UTCEG score recompute
  10. 2026-09-09 02:31 UTCGHSA enrichment
  11. 2026-09-08 22:00 UTCEPSS rescore
  12. 2026-09-07 16:01 UTCEPSS rescore
  13. 2026-09-06 13:47 UTCEPSS rescore
  14. 2026-09-06 05:55 UTCEG score recompute
  15. 2026-09-06 05:55 UTCGHSA enrichment
  16. 2026-09-04 05:06 UTCEPSS rescore
  17. 2026-09-03 12:52 UTCEG score recompute
  18. 2026-09-03 12:51 UTCGHSA enrichment
  19. 2026-09-01 13:53 UTCEPSS rescore
  20. 2026-09-01 04:39 UTCEPSS rescore
  21. 2026-08-31 19:45 UTCEG score recompute
  22. 2026-08-31 19:45 UTCGHSA enrichment
  23. 2026-08-30 19:17 UTCEPSS rescore
  24. 2026-08-29 01:47 UTCEG score recompute
  25. 2026-08-29 01:46 UTCGHSA enrichment
  26. 2026-08-28 21:41 UTCEPSS rescore
  27. 2026-08-27 14:25 UTCEPSS rescore
  28. 2026-08-26 02:44 UTCEG score recompute
  29. 2026-08-26 02:44 UTCGHSA enrichment
  30. 2026-08-25 13:48 UTCEPSS rescore
  31. 2026-08-23 09:40 UTCEG score recompute
  32. 2026-08-23 09:40 UTCGHSA enrichment
  33. 2026-08-23 00:19 UTCEPSS rescore
  34. 2026-08-21 23:49 UTCEPSS rescore
  35. 2026-08-20 22:55 UTCEPSS rescore
  36. 2026-08-20 16:36 UTCGHSA enrichment
  37. 2026-08-20 16:11 UTCEG score recompute
  38. 2026-08-20 16:11 UTCGHSA enrichment
  39. 2026-08-20 15:27 UTCEG score recompute
  40. 2026-08-20 15:27 UTCGHSA enrichment
  41. 2026-08-20 13:25 UTCEG score recompute
  42. 2026-08-20 13:25 UTCGHSA enrichment
  43. 2026-08-19 20:19 UTCEG score recompute
  44. 2026-08-19 20:03 UTCEG score recompute
  45. 2026-08-19 20:02 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-16890?
CVE-2026-16890 is a low vulnerability published on August 19, 2026. IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to obtain sensitive information or cause a denial of service due to an integer overflow.
When was CVE-2026-16890 disclosed?
CVE-2026-16890 was first published on August 19, 2026, with the most recent update on August 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16890 actively exploited?
CVE-2026-16890 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (1st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-16890?
CVE-2026-16890 has a CVSS base score of 3.6 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-16890?
A fix for CVE-2026-16890 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-16890 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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