CVE-2021-1675(PrintNightmare) system shell poc for CVE-2021-1675 (Windows Print Spooler Elevation of Privilege) credit: Zhiniang Peng (@edwardzpeng) & Xuefeng Li (@lxf02942370) Ref: https://github.com/afwu/PrintNightmare windows 10 windows server 2012 Credit to all researcher who find out this bug. @404death
