If you can use a third party utility, here is an elevate
command line utility.
This is the usage description:
Usage: Elevate [-?|-wait|-k] prog [args]
-? - Shows this help
-wait - Waits until prog terminates
-k - Starts the the %COMSPEC% environment variable value and
executes prog in it (CMD.EXE, 4NT.EXE, etc.)
prog - The program to execute
args - Optional command line arguments to prog