Microsoft have released a security advisory on the 09^th of March 2021 in line with their regular monthly patch schedule which includes a number of updates to address critical vulnerabilities. 

These updates address vulnerabilities which may impact Remote Code Execution, Denial of Service, Elevation of Privilege, Spoofing, Information Disclosure and Security Restriction Bypass.

For more information please see: 
Microsoft Security Update Guide – Release Notes – March 2021 Security Update

Affected systems/technologies included: