An unauthenticated remote code execution vulnerability exists in Windows Remote Desktop Gateway (RD Gateway) when an unauthenticated attacker connects to the target system using RDP and sends specially crafted requests. This vulnerability requires no user interaction. An attacker could execute arbitrary code on the target system then install programs; view, change, or delete data; or create new accounts with full user rights. To exploit this vulnerability, an attacker would need to send a specially crafted request to the target systems RD Gateway via RDP. The update addresses the vulnerability by correcting how RD Gateway handles connection requests. This CVE ID is unique from CVE-2020-0610.