WannaCry / WannaCrypt patches originally posted by Microsoft May 12th, 2017 can be downloaded individually
Windows XP SP3 x86
Windows XP SP2 x64
Windows XP Embedded SP3 x86
May 2019 RDP Authentication exploit update from article 4500331
Windows XP SP3 x86
Windows XP SP2 x64
XP Embedded SP3 x86