# Amazon FreeRTOS Kernel vulnerabilities Source: https://junglewise.ai/threats/technologies/freertos-kernel Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/freertos-kernel.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 7 vulnerabilities in Amazon FreeRTOS Kernel: 0 in the last 7 days and 7 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-119086, was published on 30 October 2026. 3 vulnerabilities in the last four weeks, up from none in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 3 - Last 90 days: 7 - All time: 7 (0 critical, 0 exploited in the wild) ## About Amazon FreeRTOS Kernel Amazon real-time operating system kernel for microcontrollers and embedded systems. ## Latest Amazon FreeRTOS Kernel vulnerabilities - [CVE-2026-119086: Amazon FreeRTOS-Kernel type validation bypass in xQueueSelectFromSet](https://junglewise.ai/threats/cve-2026-119086-missing-type-validation-in-xqueueselectfromset-in-freertos) (high, CVSS 6.5, published 30 Oct 2026) - [CVE-2026-109588: FreeRTOS-Kernel numeric truncation in MPU buffer authorization on Arm Cortex-R82](https://junglewise.ai/threats/cve-2026-109588-numeric-truncation-of-the-buffer-length-in-the-mpu-buffer) (high, CVSS 8.8, published 16 Oct 2026) - [CVE-2026-109587: FreeRTOS-Kernel memory protection unit authorization bypass on Arm Cortex-R82](https://junglewise.ai/threats/cve-2026-109587-amp-issue-with-freertos-kernel) (high, CVSS 8.8, published 16 Oct 2026) - [CVE-2026-77237: FreeRTOS-Kernel type confusion in xQueueAddToSet()](https://junglewise.ai/threats/cve-2026-77237-freertos-kernel-type-confusion-in-xqueueaddtoset) (medium, CVSS 6.5, published 21 Aug 2026) - [CVE-2026-77236: FreeRTOS-Kernel secure context allocation missing size validation](https://junglewise.ai/threats/cve-2026-77236-freertos-kernel-secure-context-allocation-missing-size-validation) (high, CVSS 7.3, published 21 Aug 2026) - [CVE-2026-77235: FreeRTOS-Kernel missing privilege verification in secure context cleanup](https://junglewise.ai/threats/cve-2026-77235-freertos-kernel-missing-privilege-verification-in-secure-context) (high, CVSS 7.3, published 21 Aug 2026) - [CVE-2026-77234: AWS FreeRTOS-Kernel memory safety issues](https://junglewise.ai/threats/cve-2026-77234-aws-freertos-kernel-memory-safety-issues) (high, CVSS 8.8, published 21 Aug 2026) ## Most severe Amazon FreeRTOS Kernel vulnerabilities - [CVE-2026-77234: AWS FreeRTOS-Kernel memory safety issues](https://junglewise.ai/threats/cve-2026-77234-aws-freertos-kernel-memory-safety-issues) (high, CVSS 8.8, published 21 Aug 2026) - [CVE-2026-109588: FreeRTOS-Kernel numeric truncation in MPU buffer authorization on Arm Cortex-R82](https://junglewise.ai/threats/cve-2026-109588-numeric-truncation-of-the-buffer-length-in-the-mpu-buffer) (high, CVSS 8.8, published 16 Oct 2026) - [CVE-2026-109587: FreeRTOS-Kernel memory protection unit authorization bypass on Arm Cortex-R82](https://junglewise.ai/threats/cve-2026-109587-amp-issue-with-freertos-kernel) (high, CVSS 8.8, published 16 Oct 2026) - [CVE-2026-77236: FreeRTOS-Kernel secure context allocation missing size validation](https://junglewise.ai/threats/cve-2026-77236-freertos-kernel-secure-context-allocation-missing-size-validation) (high, CVSS 7.3, published 21 Aug 2026) - [CVE-2026-77235: FreeRTOS-Kernel missing privilege verification in secure context cleanup](https://junglewise.ai/threats/cve-2026-77235-freertos-kernel-missing-privilege-verification-in-secure-context) (high, CVSS 7.3, published 21 Aug 2026) - [CVE-2026-119086: Amazon FreeRTOS-Kernel type validation bypass in xQueueSelectFromSet](https://junglewise.ai/threats/cve-2026-119086-missing-type-validation-in-xqueueselectfromset-in-freertos) (high, CVSS 6.5, published 30 Oct 2026) - [CVE-2026-77237: FreeRTOS-Kernel type confusion in xQueueAddToSet()](https://junglewise.ai/threats/cve-2026-77237-freertos-kernel-type-confusion-in-xqueueaddtoset) (medium, CVSS 6.5, published 21 Aug 2026) ## Vulnerabilities per week 3 vulnerabilities in the last four weeks, up from none in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 4 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 2 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 1 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Amazon technologies - [Amazon AWS](https://junglewise.ai/threats/technologies/aws): 198 vulnerabilities - [Amazon Freertos-Plus-Tcp](https://junglewise.ai/threats/technologies/amazon-freertos-plus-tcp): 10 vulnerabilities - [Amazon Athena Odbc](https://junglewise.ai/threats/technologies/athena-odbc): 6 vulnerabilities - [Amazon SageMaker Python SDK](https://junglewise.ai/threats/technologies/sagemaker-python-sdk): 5 vulnerabilities - [Amazon Freertos](https://junglewise.ai/threats/technologies/freertos): 4 vulnerabilities - [Amazon Strands-Agents-Tools](https://junglewise.ai/threats/technologies/strands-agents-tools): 4 vulnerabilities - [Amazon Tough](https://junglewise.ai/threats/technologies/amazon-tough): 3 vulnerabilities - [Amazon Tuftool](https://junglewise.ai/threats/technologies/amazon-tuftool): 3 vulnerabilities - [Amazon Bedrock Agentcore Starter Toolkit](https://junglewise.ai/threats/technologies/bedrock-agentcore-starter-toolkit): 3 vulnerabilities - [Amazon EFS CSI Driver](https://junglewise.ai/threats/technologies/efs-csi-driver): 3 vulnerabilities - [Amazon Engineering Studio](https://junglewise.ai/threats/technologies/engineering-studio): 3 vulnerabilities - [Amazon Mcp-Gateway-Registry](https://junglewise.ai/threats/technologies/mcp-gateway-registry): 3 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Amazon FreeRTOS Kernel vulnerabilities", https://junglewise.ai/threats/technologies/freertos-kernel, 13 November 2026.