Microsoft Windows 10 Gold 1511 and 1607; Windows 8.1; Windows RT 8.1; Windows Server 2012 R2 and Windows Server 2016 do not properly handle certain requests in SMBv2 and SMBv3 packets which allows remote attackers to execute arbitrary code via a crafted SMBv2 or SMBv3 packet to the Server service aka \SMBv2/SMBv3 Null Dereference Denial of Service Vulnerability.\