CVE-2026-40272

HIGHPre-NVD 7.07.0—
EchelonGraph scoreMEDIUM confidence

Score 7.0 from GitHub Security Advisory (severity: HIGH) published 2026-07-29. 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.

Improper Input Validation in the decode() function of the traceparser library could allow an attacker with a corrupted kernel trace event log (.kev) file, to execute arbitrary code or cause a crash in processes that use libtraceparser in QNX hosts or targets.

CVSS v3
7.0
EG Score
7.0(medium)
EG Risk
36(Track)
EG Risk 36/100SSVC: 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%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

July 29, 2026

Last Modified

July 30, 2026

Advisory Details (1)

Auto-updated Jul 29, 2026
No patch confirmed yet.
generic

BlackBerry Public Knowledge Base

https://support.blackberry.com/pkb/s/article/141229

Vendor Advisories for CVE-2026-40272(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 23× in last 7d / 91× 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 182 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-40272?
CVE-2026-40272 is a high vulnerability published on July 29, 2026. Improper Input Validation in the decode() function of the traceparser library could allow an attacker with a corrupted kernel trace event log (.kev) file, to execute arbitrary code or cause a crash in processes that use libtraceparser in QNX hosts or targets.
When was CVE-2026-40272 disclosed?
CVE-2026-40272 was first published in the National Vulnerability Database on July 29, 2026, with the most recent update on July 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-40272 actively exploited?
CVE-2026-40272 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 98.4% of all scored CVEs.
What is the CVSS score of CVE-2026-40272?
CVE-2026-40272 has a CVSS v3 base score of 7.0 (NVD).
How do I remediate CVE-2026-40272?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-40272, 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.

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