VULNERABILITY INTELLIGENCE
CVE-2026-77236
CVSS score7.3 HIGH
EPSS probability0.16%
CISA KEVNot currently listed
Published2026-08-21
Last modified2026-10-14
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
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.
Weakness classification
- ff89ba41-3aa1-4d27-914a-91399e9639e5: CWE-787
Primary references
- ff89ba41-3aa1-4d27-914a-91399e9639e5 — Vendor Advisory
- ff89ba41-3aa1-4d27-914a-91399e9639e5 — Release Notes
- ff89ba41-3aa1-4d27-914a-91399e9639e5 — Vendor Advisory