CVE-2026-86096

CVE-2026-86096

PX4 Autopilot through 1.17.0 contains a use-after-free vulnerability in TemperatureCalibration::start() due to a race condition between task spawning and object deletion. Attackers can trigger the calibration process via shell commands to write to freed heap memory, corrupting unrelated objects or allocator metadata and destabilizing heap operations.

Vulnerability class: Use-After-Free

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-86096?
CVE-2026-86096 is a medium-severity vulnerability, classified under Use After Free. CVSS score: 5.9/10. Published 2026-09-04.
How severe is CVE-2026-86096?
Medium severity. CVSS v3 base score is 5.9 out of 10.