CVE-2026-77235 in FreeRTOS

Sumário

de MITRE • 21/08/2026

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.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

• Responsável: AMZN
• Reservar: 20/08/2026
• Divulgação: 21/08/2026
• Moderação: aceite
• Entrada: VDB-394168
• CPE: pronto
• CWE: CWE-416 (confirmado)
• CVSS: 7.3 (CNA)
• EPSS: 0.00000
• KEV: não
• Atividades: muito baixo

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-77235
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-77235
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-77235/