CVE-2026-32724: PX4 autopilot is a flight control solution for drones
CVE-2026-32724 is a medium-severity flaw (CVSS 5.3) affecting px4 drone autopilot. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc1, a heap-use-after-free is detected in the MavlinkShell::available() function. The issue is caused by a race condition between the MAVLink receiver thread (which handles shell creation/destruction) and the telemetry sender thread (which polls the shell for available output). The issue is remotely triggerable via MAVLink SERIAL_CONTROL messages (ID 126), which can be sent by
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.3 (Medium) |
| Attack vector | Adjacent network |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 82%) |
| CISA exploited list | No |
| Weakness | CWE-416 |
| Published | 2026-03-16 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
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-2026-32724?
px4 drone autopilot: upgrade to 1.17.0. Exact commands for each OS are on this page.
Is CVE-2026-32724 being exploited?
CVE-2026-32724 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-2026-32724 affect?
CVE-2026-32724 affects px4 drone autopilot. Severity is medium (CVSS 5.3). PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc1, a heap-use-after-free is detected in the MavlinkShell::available() function. The issue is caused by a race condition between the MAVLink receiver thread (which hand
How urgent is CVE-2026-32724?
Priority 28/100. Public exploit reference
Related CVEs
- CVE-2025-15150 MEDIUM 5.3 UPGRADE A vulnerability was found in PX4 PX4-Autopilot up to 1.16.0
- CVE-2026-32743 MEDIUM 6.5 UPGRADE PX4 is an open-source autopilot stack for drones and unmanned vehicles
- CVE-2026-32713 MEDIUM 4.3 UPGRADE PX4 autopilot is a flight control solution for drones
- CVE-2026-32709 MEDIUM 5.4 UPGRADE PX4 autopilot is a flight control solution for drones
- CVE-2026-32708 HIGH 7.8 UPGRADE PX4 autopilot is a flight control solution for drones