Missing privilege verification in the secure context cleanup handler in FreeRTOS-Kernel before 11.3.1 might allow local users to cause a use-after-free condition in se…

Timeline

Detection, updates, and resolution for this record.

1. Aug 21, 2026 · NIST NVD

   Detected

   Missing privilege verification in the secure context cleanup handler in FreeRTOS-Kernel before 11.3.1 might allow local users to cause a use-after-free condition in secure-world memory via the SVC handler for secure context deallocation. To remediate this issue, users should upgrade to version 11.3.1 or later.

2. Oct 14, 2026 · NIST NVD

   Updated

   Missing privilege verification in the secure context cleanup handler in FreeRTOS-Kernel before 11.3.1 might allow local users to cause a use-after-free condition in secure-world memory via the SVC handler for secure context deallocation. To remediate this issue, users should upgrade to version 11.3.1 or later.

Affected

• cpe amazon/freertosversion unspecified

Sources

• CVE.orgCVE-2026-77235

  Official CVE identifier

  cve.org
• FIRST EPSSCVE-2026-77235

  30-day exploitation probability 0.2%

  first.org
• NIST NVDCVE-2026-77235

  Missing privilege verification in the secure context cleanup handler in FreeRTOS-Kernel before 11.3.1 might allow local users to cause a use-after-free condition in secure-world memory via the SVC handler for secure context deallocation. To remediate this issue, users should upgr

  nvd.nist.gov

References

• Vendor Advisory · aws.amazon.com
• Release Notes · github.com
• Vendor Advisory · github.com