Microsoft Azure Sphere versions 20.07 and 20.06 contain vulnerabilities such as remote code execution and privileges escalation. This could allow an attacker to gain access to sensitive information and possibly get admin-level permissions on the affected machine.
These vulnerabilities could have severe consequences, so make sure you patch it before it is used against you. Microsoft released the update (20.08) to patch this on 25/08/2020. Ensure you update any affected machines before it is too late.
Source: Microsoft