CVE-2026-77235EPSS p4.2%

CVE-2026-77235CVE-2026-77235

amazon / freertos

Description

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.

Scoring

CVSS 7.3 ()
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
EPSS0.16% probability of exploitation · percentile 4.2% · 2026-10-05T12:00:23Z
Last modified2026-08-27
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.