Windows Search in Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703 and 1709, Windows Server 2016 and Windows server, version 1709 allows an unauthenticated attacker to remotely send specially crafted messages that could cause a denial of service against the system due to improperly handing objects in memory, aka "Windows Search Denial of Service Vulnerability".