Microsoft Windows Server Denial of Service Vulnerability (CNVD-2021-76471)

Windows Server is the brand name of a series of server operating systems released by Microsoft, including all Windows operating systems released under the brand name “Windows Server.” A denial-of-service vulnerability exists in Microsoft Windows Server. The vulnerability stems from a failure of Windows DNS to properly handle queries, and can be exploited by an attacker to cause DNS services to become unresponsive by sending malicious DNS queries to the target.