CVE-2020-35608: Microsoft Azure Sphere

High severity, CVSS 7.8. EPSS: 4.1% chance of exploitation in the next 30 days.

A code execution vulnerability exists in the normal world’s signed code execution functionality of Microsoft Azure Sphere 20.07. A specially crafted AF_PACKET socket can cause a process to create an executable memory mapping with controllable content. An attacker can execute a shellcode that uses the PACKET_MMAP functionality to trigger this vulnerability.

Affected products

• Microsoft Azure Sphere: version 20.07 only

Published 2020-12-22. Last modified 2026-06-17.