# CVE-2026-86097

## Summary

- **CVE ID:** CVE-2026-86097
- **Severity:** HIGH
- **CVSS Score:** 7.1 (CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-476
- **Published:** Sep 4, 2026
- **Last Modified:** Sep 8, 2026

## Description

PX4 Autopilot through 1.17.0 contains a null pointer dereference vulnerability in param_set_default_file() and param_set_backup_file() functions that allows attackers to crash the autopilot process. Attackers can invoke 'param select' or 'param select-backup' commands with no path argument from any PX4 shell to trigger the crash.

## Affected Products

- PX4 — PX4-Autopilot (0)

## References

- [CNA](https://github.com/PX4/PX4-Autopilot/pull/28475)
- [CNA](https://github.com/PX4/PX4-Autopilot/commit/02eabc08c9b8cb1de525070cacb7ea0c495136f6)
- [CNA](https://github.com/PX4/PX4-Autopilot)
- [CNA](https://github.com/PX4/PX4-Autopilot/blob/v1.17.0/src/lib/parameters/parameters.cpp)
- [CNA](https://www.vulncheck.com/advisories/px4-autopilot-through-1.17.0-null-pointer-dereference-via-param-select)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.24%
- **EPSS Percentile:** 15.5

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._