Endpoint Vulnerability

Microsoft: Windows DNS Denial of Service Vulnerability


A denial of service vulnerability exists in Windows DNS when it fails to properly handle queries. An attacker who successfully exploited this vulnerability could cause the DNS service to become nonresponsive. To exploit the vulnerability, an authenticated attacker could send malicious DNS queries to a target, resulting in a denial of service. The update addresses the vulnerability by correcting how Windows DNS processes queries.

Affected Products

Windows Server, version 2004 (Server Core installation),Windows Server, version 1903 (Server Core installation),Windows Server 2016,Windows Server 2012,Windows Server 2008,Windows Server, version 1909 (Server Core installation),Windows Server 2019