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CVE-2026-86096— PX4 Autopilot through 1.17.0 Use-After-Free via Temperature Calibration Task Startup

Quick assessment

Affected
PX4 PX4-Autopilot
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

PX4 自动驾驶仪（Autopilot）版本 1.17.0 及更早版本中存在一个释放后使用（use-after-free）漏洞，位于 函数中，原因是任务创建与对象删除之间存在的竞态条件。攻击者可以通过执行 shell 命令触发校准过程，向已释放的堆内存写入数据，从而破坏不相关的对象或分配器元数据，导致堆操作不稳定。

CVSS 5.9 · Medium

Possible ATT&CK Techniques 1 AI

T1204 · User Execution
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I. Basic Information for CVE-2026-86096

Vulnerability Information
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Vulnerability Title
PX4 Autopilot through 1.17.0 Use-After-Free via Temperature Calibration Task Startup
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
PX4 PX4-Autopilot 0 ~ 1.17.0 -

II. Public POCs for CVE-2026-86096

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III. Intelligence Information for CVE-2026-86096

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Patches & Fixes for CVE-2026-86096 (2)

Vendor Advisories for CVE-2026-86096 (1)

Vendor Pages for CVE-2026-86096 (2)

IV. Related Vulnerabilities

Same product: PX4-Autopilot
Same vendor: PX4
Same weakness: CWE-416

V. Comments for CVE-2026-86096

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