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CVE-2026-109587

9.3 critical SSVC exploitation: none Published
NVD · CVE.org

Incorrect authorization in the Arm Cortex-R82 (Armv8-R AArch64) MPU port in FreeRTOS-Kernel V11.3.0 and V11.3.1 might allow an unprivileged task on MPU-enabled builds to read and write privileged kernel memory outside the regions assigned to it, via a buffer argument passed to an MPU system call. To remediate this issue, users should upgrade to version V11.3.2 or later.

Fix

Vendor advisories in the News 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 2

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-20 15:16
  2. First seenCVSS 9.3NVD modified 2026-10-16 20:02

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 3