CVE-2026-77235
Missing privilege check in SecureContext_FreeContext in FreeRTOS-Kernel
CVSS Score
7.3
EPSS Score
0.0%
EPSS Percentile
0th
Missing privilege verification in the secure context cleanup handler in FreeRTOS-Kernel before 11.3.1 might allow local users to cause a use-after-free condition in secure-world memory via the SVC handler for secure context deallocation. To remediate this issue, users should upgrade to version 11.3.1 or later.
| CWE | CWE-416 |
| Vendor | freertos |
| Product | freertos-kernel |
| Published | Aug 21, 2026 |
| Last Updated | Aug 21, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
Low
Availability
High
Affected Versions
FreeRTOS / FreeRTOS-Kernel
10.2.0 ≤ 11.3.0
References
Credits
NVIDIA