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.
CVE-2026-86096
Score 5.9 from GitHub Security Advisory published 2026-09-05. a secondary CVSS source baseline 5.9; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.9
- EG Score
- 5.9(high)
- EG Risk
- 27(Track)EG Risk 27/100SSVC: 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 computedSeverity59% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 24%
- KEV
- Not listed
Published
September 4, 2026
Last Modified
September 10, 2026
Advisory Details (5)
Auto-updated Sep 4, 2026PX4 Autopilot through 1.17.0 Use-After-Free via Temperature Calibration Task Startup | Advisories | VulnCheck
https://www.vulncheck.com/advisories/px4-autopilot-through-1.17.0-use-after-free-via-temperature-calibration-task-startupPX4-Autopilot/src/modules/temperature_compensation/temperature_calibration/task.cpp at v1.17.0 · PX4/PX4-Autopilot · GitHub
https://github.com/PX4/PX4-Autopilot/blob/v1.17.0/src/modules/temperature_compensation/temperature_calibration/task.cppGitHub - PX4/PX4-Autopilot: PX4 Autopilot Software · GitHub
https://github.com/PX4/PX4-Autopilotcommit b182e523d154 (PX4/PX4-Autopilot)
Fix landed in PX4/PX4-Autopilot commit b182e523d154 — awaiting tagged release
https://github.com/PX4/PX4-Autopilot/commit/b182e523d154fe029a49b48bb5f9d3d6693bc6bbfix(temperature_compensationnetman): mitigate Use-After-Free caused by race conditions
Fix merged in PX4/PX4-Autopilot PR #28487 on 2026-09-01 — awaiting tagged release
https://github.com/PX4/PX4-Autopilot/pull/28487Vendor Advisories for CVE-2026-86096(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 20× in last 7d / 59× 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.
- 2026-09-24 14:04 UTCEPSS rescore
- 2026-09-24 13:09 UTCEG score recompute
- 2026-09-24 13:09 UTCGHSA enrichment
- 2026-09-23 17:54 UTCEPSS rescore
- 2026-09-23 13:23 UTCEG score recompute
- 2026-09-23 13:23 UTCGHSA enrichment
- 2026-09-22 16:01 UTCEPSS rescore
- 2026-09-22 13:34 UTCEG score recompute
- 2026-09-22 13:33 UTCGHSA enrichment
- 2026-09-21 21:09 UTCEPSS rescore
- 2026-09-21 13:48 UTCEG score recompute
- 2026-09-21 13:48 UTCGHSA enrichment
- 2026-09-20 20:16 UTCEPSS rescore
- 2026-09-20 14:02 UTCEG score recompute
- 2026-09-20 14:02 UTCGHSA enrichment
- 2026-09-19 14:17 UTCEG score recompute
- 2026-09-19 14:17 UTCGHSA enrichment
- 2026-09-18 19:28 UTCEPSS rescore
- 2026-09-18 14:32 UTCEG score recompute
- 2026-09-18 14:32 UTCGHSA enrichment
- 2026-09-17 19:32 UTCEPSS rescore
- 2026-09-17 14:46 UTCGHSA enrichment
- 2026-09-16 14:59 UTCEG score recompute
- 2026-09-16 14:59 UTCGHSA enrichment
- 2026-09-16 14:09 UTCEPSS rescore
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- 2026-09-16 05:15 UTCEPSS rescore
- 2026-09-15 15:13 UTCEG score recompute
- 2026-09-15 15:13 UTCGHSA enrichment
- 2026-09-15 03:12 UTCEPSS rescore
- 2026-09-15 03:12 UTCEPSS rescore
- 2026-09-14 15:27 UTCEG score recompute
- 2026-09-14 15:27 UTCGHSA enrichment
- 2026-09-13 15:42 UTCGHSA enrichment
- 2026-09-12 15:57 UTCEG score recompute
- 2026-09-12 15:57 UTCGHSA enrichment
- 2026-09-11 16:11 UTCEG score recompute
- 2026-09-11 16:11 UTCGHSA enrichment
- 2026-09-11 14:53 UTCEPSS rescore
- 2026-09-11 14:53 UTCEPSS rescore
- 2026-09-10 16:25 UTCGHSA enrichment
- 2026-09-10 15:59 UTCEG score recompute
- 2026-09-10 15:59 UTCGHSA enrichment
- 2026-09-10 15:27 UTCEG score recompute
- 2026-09-10 15:27 UTCGHSA enrichment
- 2026-09-09 23:21 UTCGHSA enrichment
- 2026-09-08 23:04 UTCEG score recompute
- 2026-09-08 23:04 UTCGHSA enrichment
- 2026-09-08 22:01 UTCEPSS rescore
- 2026-09-07 22:50 UTCEG score recompute
- 2026-09-07 22:50 UTCGHSA enrichment
- 2026-09-06 23:04 UTCEG score recompute
- 2026-09-06 23:03 UTCGHSA enrichment
- 2026-09-06 13:48 UTCEPSS rescore
- 2026-09-05 23:14 UTCEG score recompute
- 2026-09-05 23:14 UTCGHSA enrichment
- 2026-09-05 15:31 UTCEPSS rescore
- 2026-09-04 23:29 UTCEG score recompute
- 2026-09-04 22:45 UTCEG score recompute
- 2026-09-04 22:44 UTCMITRE cvelistV5first tracked
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Frequently asked(5)
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Dependency Blast Radius
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