CVE-2021-42303: Microsoft Azure Real Time Operating System

Medium severity, CVSS 6.6. EPSS: 0.9% chance of exploitation in the next 30 days.

Azure RTOS Elevation of Privilege Vulnerability

Affected products

• Microsoft Azure Real Time Operating System: before 6.1.9 (fixed in 6.1.9)

Published 2021-11-10. Last modified 2026-08-19.