HIGH 8.2 NVD
CVE-2026-77237
Missing queue-set type validation in xQueueAddToSet() in the FreeRTOS-Kernel before 11.3.1 might allow an unprivileged task on MPU-enabled ports with configUSE_
Missing queue-set type validation in xQueueAddToSet() in the FreeRTOS-Kernel before 11.3.1 might allow an unprivileged task on MPU-enabled ports with configUSE_QUEUE_SETS=1 to read privileged kernel memory. To remediate this issue, users should upgrade to version 11.3.1 or later.
References
- https://aws.amazon.com/security/security-bulletins/2026-086-aws/
- https://github.com/FreeRTOS/FreeRTOS-Kernel/security/advisories/GHSA-9wvc-hqvx-5wf5
- https://github.com/FreeRTOS/FreeRTOS-Kernel/tree/11.3.1
This high severity vulnerability with a CVSS score of 8.2 was published on 2026-08-21 via NVD.
vulnfeed aggregates 11627 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.