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VULNERABILITIES

CVE-2026-77234 Details

Description

Improper input validation in FreeRTOS-Kernel before 11.3.1 might allow an unprivileged task on MPU-enabled ports to execute code in privileged kernel context. To remediate this issue, users should upgrade to version 11.3.1 or later.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: AMZNCVSS-B:8.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://aws.amazon.com/security/security-bulletins/2026-086-aws/ AMZNVendor Advisory
https://github.com/FreeRTOS/FreeRTOS-Kernel/releases/tag/V11.3.1 AMZNRelease Notes
https://github.com/FreeRTOS/FreeRTOS-Kernel/security/advisories/GHSA-w3vr-pr75-5hc6 AMZNVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-863Incorrect AuthorizationAMZN

Affected Products

ProductVersions
amazon freertos
>= 7.0.0, < 11.3.1

CPE

  • cpe:2.3:o:amazon:freertos:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-77234
NVD Published Date:
Aug 21, 2026
NVD Last Modified:
Aug 27, 2026
Source:
AMZN
CVE-2026-77234 Details - Not Deferred