{"schema_version":1,"title":"Amazon FreeRTOS Kernel vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in Amazon FreeRTOS Kernel: 0 in the last 7 days and 4 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-77237, was published on 21 August 2026.","url":"https://junglewise.ai/threats/technologies/freertos-kernel","json_url":"https://junglewise.ai/threats/technologies/freertos-kernel.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/freertos-kernel","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":3,"all_time":4,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":4,"last_365_days":4},"latest":[{"cve":"CVE-2026-77237","cvss":6.5,"epss":0.0018,"slug":"cve-2026-77237-freertos-kernel-type-confusion-in-xqueueaddtoset","title":"FreeRTOS-Kernel type confusion in xQueueAddToSet()","severity":"medium","exploited":false,"published_at":"2026-08-21T18:16:51.95+00:00","url":"https://junglewise.ai/threats/cve-2026-77237-freertos-kernel-type-confusion-in-xqueueaddtoset"},{"cve":"CVE-2026-77236","cvss":7.3,"epss":0.0016,"slug":"cve-2026-77236-freertos-kernel-secure-context-allocation-missing-size-validation","title":"FreeRTOS-Kernel secure context allocation missing size validation","severity":"high","exploited":false,"published_at":"2026-08-21T18:16:51.8+00:00","url":"https://junglewise.ai/threats/cve-2026-77236-freertos-kernel-secure-context-allocation-missing-size-validation"},{"cve":"CVE-2026-77235","cvss":7.3,"epss":0.0016,"slug":"cve-2026-77235-freertos-kernel-missing-privilege-verification-in-secure-context","title":"FreeRTOS-Kernel missing privilege verification in secure context cleanup","severity":"high","exploited":false,"published_at":"2026-08-21T18:16:51.657+00:00","url":"https://junglewise.ai/threats/cve-2026-77235-freertos-kernel-missing-privilege-verification-in-secure-context"},{"cve":"CVE-2026-77234","cvss":8.8,"epss":0.0017,"slug":"cve-2026-77234-aws-freertos-kernel-memory-safety-issues","title":"Improper input validation in FreeRTOS-Kernel before 11.3.1 might allow an unprivileged task on MPU-enabled ports to execute code in privileg","severity":"high","exploited":false,"published_at":"2026-08-21T18:16:51.507+00:00","url":"https://junglewise.ai/threats/cve-2026-77234-aws-freertos-kernel-memory-safety-issues"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":4},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Amazon AWS","slug":"aws","vulnerabilities":128,"url":"https://junglewise.ai/threats/technologies/aws"},{"name":"Amazon Athena Odbc","slug":"athena-odbc","vulnerabilities":6,"url":"https://junglewise.ai/threats/technologies/athena-odbc"},{"name":"Amazon Freertos","slug":"freertos","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/freertos"},{"name":"Amazon Strands-Agents-Tools","slug":"strands-agents-tools","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/strands-agents-tools"},{"name":"Amazon Engineering Studio","slug":"engineering-studio","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/engineering-studio"},{"name":"Amazon Research","slug":"research","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/research"},{"name":"Amazon SageMaker Python SDK","slug":"sagemaker-python-sdk","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/sagemaker-python-sdk"}],"technology":{"hub":true,"name":"Amazon FreeRTOS Kernel","slug":"freertos-kernel","vendor":{"name":"Amazon","slug":"amazon","url":"https://junglewise.ai/threats/vendors/amazon"},"aliases":[],"category":"firmware","homepage":"https://www.freertos.org/","repo_url":"https://github.com/FreeRTOS/FreeRTOS-Kernel","description":"Real-time operating system kernel for embedded systems developed by Amazon.","url":"https://junglewise.ai/threats/technologies/freertos-kernel"},"most_severe":[{"cve":"CVE-2026-77234","cvss":8.8,"epss":0.0017,"slug":"cve-2026-77234-aws-freertos-kernel-memory-safety-issues","title":"Improper input validation in FreeRTOS-Kernel before 11.3.1 might allow an unprivileged task on MPU-enabled ports to execute code in privileg","severity":"high","exploited":false,"published_at":"2026-08-21T18:16:51.507+00:00","url":"https://junglewise.ai/threats/cve-2026-77234-aws-freertos-kernel-memory-safety-issues"},{"cve":"CVE-2026-77236","cvss":7.3,"epss":0.0016,"slug":"cve-2026-77236-freertos-kernel-secure-context-allocation-missing-size-validation","title":"FreeRTOS-Kernel secure context allocation missing size validation","severity":"high","exploited":false,"published_at":"2026-08-21T18:16:51.8+00:00","url":"https://junglewise.ai/threats/cve-2026-77236-freertos-kernel-secure-context-allocation-missing-size-validation"},{"cve":"CVE-2026-77235","cvss":7.3,"epss":0.0016,"slug":"cve-2026-77235-freertos-kernel-missing-privilege-verification-in-secure-context","title":"FreeRTOS-Kernel missing privilege verification in secure context cleanup","severity":"high","exploited":false,"published_at":"2026-08-21T18:16:51.657+00:00","url":"https://junglewise.ai/threats/cve-2026-77235-freertos-kernel-missing-privilege-verification-in-secure-context"},{"cve":"CVE-2026-77237","cvss":6.5,"epss":0.0018,"slug":"cve-2026-77237-freertos-kernel-type-confusion-in-xqueueaddtoset","title":"FreeRTOS-Kernel type confusion in xQueueAddToSet()","severity":"medium","exploited":false,"published_at":"2026-08-21T18:16:51.95+00:00","url":"https://junglewise.ai/threats/cve-2026-77237-freertos-kernel-type-confusion-in-xqueueaddtoset"}],"generated_at":"2026-09-26T09:11:00.170868+00:00"}