CVE-2026-16952

MEDIUMPre-NVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2026-08-21. A secondary CVSS source baseline 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 5.5Exploit: 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 cause a denial of service due to uncontrolled resource consumption.

CVSS v3
5.5
EG Score
5.5MEDIUMmedium confidence
EG Risk
25
EG Risk 25/100CISA 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
Severity55% × 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
2nd
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 20, 2026

Last Modified

August 24, 2026

Advisory Details (1)

Auto-updated Aug 20, 2026
Patch available.
generic

Security Bulletin: Vulnerabilities in IBM AIX and PowerVM VIOS

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

Vendor Advisories for CVE-2026-16952(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 15× in last 7d / 67× 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. 2026-10-04 20:51 UTCGHSA enrichment
  2. 2026-10-03 16:45 UTCEG score recompute
  3. 2026-10-03 16:45 UTCGHSA enrichment
  4. 2026-10-03 14:25 UTCEPSS rescore
  5. 2026-10-02 09:47 UTCEG score recompute
  6. 2026-10-02 09:47 UTCGHSA enrichment
  7. 2026-10-01 19:49 UTCEPSS rescore
  8. 2026-10-01 08:57 UTCEG score recompute
  9. 2026-10-01 08:57 UTCGHSA enrichment
  10. 2026-09-30 15:02 UTCEPSS rescore
  11. 2026-09-30 08:07 UTCEG score recompute
  12. 2026-09-30 08:07 UTCGHSA enrichment
  13. 2026-09-29 15:20 UTCEPSS rescore
  14. 2026-09-29 04:38 UTCEG score recompute
  15. 2026-09-29 04:38 UTCGHSA enrichment
  16. 2026-09-28 13:51 UTCEPSS rescore
  17. 2026-09-28 03:48 UTCEG score recompute
  18. 2026-09-28 03:47 UTCGHSA enrichment
  19. 2026-09-27 13:47 UTCEPSS rescore
  20. 2026-09-27 02:51 UTCEG score recompute
  21. 2026-09-27 02:51 UTCGHSA enrichment
  22. 2026-09-26 15:58 UTCEPSS rescore
  23. 2026-09-24 16:56 UTCEG score recompute
  24. 2026-09-24 16:56 UTCGHSA enrichment
  25. 2026-09-23 16:06 UTCEG score recompute
Show 75 more
  1. 2026-09-23 16:06 UTCGHSA enrichment
  2. 2026-09-22 15:09 UTCEG score recompute
  3. 2026-09-22 15:09 UTCGHSA enrichment
  4. 2026-09-21 14:19 UTCGHSA enrichment
  5. 2026-09-20 13:29 UTCEG score recompute
  6. 2026-09-20 13:29 UTCGHSA enrichment
  7. 2026-09-19 12:13 UTCEG score recompute
  8. 2026-09-19 12:13 UTCGHSA enrichment
  9. 2026-09-18 19:27 UTCEPSS rescore
  10. 2026-09-18 11:21 UTCEG score recompute
  11. 2026-09-18 11:21 UTCGHSA enrichment
  12. 2026-09-17 10:31 UTCEG score recompute
  13. 2026-09-17 10:30 UTCGHSA enrichment
  14. 2026-09-16 14:07 UTCEPSS rescore
  15. 2026-09-16 09:40 UTCEG score recompute
  16. 2026-09-16 09:40 UTCGHSA enrichment
  17. 2026-09-16 05:14 UTCEPSS rescore
  18. 2026-09-15 06:54 UTCEG score recompute
  19. 2026-09-15 06:54 UTCGHSA enrichment
  20. 2026-09-14 06:04 UTCEG score recompute
  21. 2026-09-14 06:04 UTCGHSA enrichment
  22. 2026-09-13 16:46 UTCEPSS rescore
  23. 2026-09-13 05:14 UTCEG score recompute
  24. 2026-09-13 05:14 UTCGHSA enrichment
  25. 2026-09-12 15:00 UTCEPSS rescore
  26. 2026-09-12 04:24 UTCEG score recompute
  27. 2026-09-12 04:24 UTCGHSA enrichment
  28. 2026-09-11 14:52 UTCEPSS rescore
  29. 2026-09-11 09:36 UTCEPSS rescore
  30. 2026-09-11 03:34 UTCEG score recompute
  31. 2026-09-11 03:34 UTCGHSA enrichment
  32. 2026-09-10 09:34 UTCEPSS rescore
  33. 2026-09-10 02:44 UTCGHSA enrichment
  34. 2026-09-09 01:52 UTCEG score recompute
  35. 2026-09-09 01:52 UTCGHSA enrichment
  36. 2026-09-08 22:00 UTCEPSS rescore
  37. 2026-09-07 16:01 UTCEPSS rescore
  38. 2026-09-07 09:50 UTCEG score recompute
  39. 2026-09-07 09:50 UTCGHSA enrichment
  40. 2026-09-06 13:47 UTCEPSS rescore
  41. 2026-09-06 08:53 UTCEG score recompute
  42. 2026-09-06 08:53 UTCGHSA enrichment
  43. 2026-09-05 08:03 UTCEG score recompute
  44. 2026-09-05 08:03 UTCGHSA enrichment
  45. 2026-09-04 07:12 UTCEG score recompute
  46. 2026-09-04 07:12 UTCGHSA enrichment
  47. 2026-09-04 05:06 UTCEPSS rescore
  48. 2026-09-03 05:48 UTCEG score recompute
  49. 2026-09-03 05:48 UTCGHSA enrichment
  50. 2026-09-02 14:11 UTCEPSS rescore
  51. 2026-09-02 04:59 UTCEG score recompute
  52. 2026-09-02 04:58 UTCGHSA enrichment
  53. 2026-09-01 13:53 UTCEPSS rescore
  54. 2026-09-01 04:04 UTCGHSA enrichment
  55. 2026-08-31 03:04 UTCEG score recompute
  56. 2026-08-31 03:04 UTCGHSA enrichment
  57. 2026-08-30 19:17 UTCEPSS rescore
  58. 2026-08-30 02:13 UTCGHSA enrichment
  59. 2026-08-29 01:23 UTCEG score recompute
  60. 2026-08-29 01:23 UTCGHSA enrichment
  61. 2026-08-28 21:41 UTCEPSS rescore
  62. 2026-08-27 19:55 UTCEG score recompute
  63. 2026-08-27 19:55 UTCGHSA enrichment
  64. 2026-08-27 14:25 UTCEPSS rescore
  65. 2026-08-26 19:05 UTCEG score recompute
  66. 2026-08-26 19:05 UTCGHSA enrichment
  67. 2026-08-26 14:46 UTCEPSS rescore
  68. 2026-08-25 18:16 UTCEG score recompute
  69. 2026-08-25 18:15 UTCGHSA enrichment
  70. 2026-08-25 13:48 UTCEPSS rescore
  71. 2026-08-24 17:24 UTCGHSA enrichment
  72. 2026-08-24 16:59 UTCEG score recompute
  73. 2026-08-24 16:59 UTCGHSA enrichment
  74. 2026-08-23 18:02 UTCGHSA enrichment
  75. 2026-08-22 17:12 UTCEG score recompute

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-16952?
CVE-2026-16952 is a medium 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 cause a denial of service due to uncontrolled resource consumption.
When was CVE-2026-16952 disclosed?
CVE-2026-16952 was first published 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-2026-16952 actively exploited?
CVE-2026-16952 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (2nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-16952?
CVE-2026-16952 has a CVSS base score of 5.5 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-16952?
A fix for CVE-2026-16952 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-16952 are linked in the Vendor Advisories panel on this page.

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