NtCreateSymbolicLinkObject in ntdll.dll in Integrity Protection Driver (IPD) 1.2 and 1.3…
NtCreateSymbolicLinkObject in ntdll.dll in Integrity Protection Driver (IPD) 1.2 and 1.3 allows local users to create and overwrite arbitrary files via a symlink attack on \winnt\system32\drivers using the subst command.