PatchTheCVECVE-2026-40272: Improper Input Validation in the decode() function of the traceparser library could allow an attacker with a c
CVE-2026-40272 is a high-severity flaw (CVSS 7.0) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.0 (High) |
| Attack vector | Local |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 95%) |
| CISA exploited list | No |
| Weakness | CWE-1284 |
| Published | 2026-07-29 |
| Last modified | 2026-10-24 |
Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-40272?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-40272 being exploited?
CVE-2026-40272 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-40272 affect?
CVE-2026-40272 affects affected software. Severity is high (CVSS 7.0). 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 QN
How urgent is CVE-2026-40272?
Priority 26/100. High severity