CVE-2026-77236 – Missing size validation in SecureContext_AllocateContext in FreeRTOS-Kernel

​CVE ID :CVE-2026-77236

Published : Aug. 21, 2026, 6:16 p.m. | 28 minutes ago

Description :Missing minimum size validation in secure context allocation in FreeRTOS-Kernel before 11.3.1 might allow local users to corrupt secure-world heap metadata via an out-of-bounds write with an undersized stack size parameter. To remediate this issue, users should upgrade to version 11.3.1 or later.

Severity: 8.3 | HIGH

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