HIGHCVSS v3.1 8.8Vulnerability
CVE-2026-109587
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.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-10-20T21:14:08.448323+00:00
- Epss score
- 0.00138
- Cvss severity
- HIGH
- Cvss score
- 8.8
- Retrieved at
- 2026-10-21T01:24:48+00:00
- Last source
- FIRST EPSS
- Score
- 8.8
- Cvss version
- 3.1
- Cve id
- CVE-2026-109587
- Cvss vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- First seen by Signal
- 2026-10-18T13:39:03+00:00
- Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Published at
- 2026-10-16T18:17:31.330
- Last modified
- 2026-10-20T16:17:00.017
- Epss percentile
- 0.02828
Related Entities (1)
HAS_WEAKNESS (1)
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