According to the advisory, all games and applications on Xbox normally run in non-privileged mode.
Security experts wondered if this opens the door for more gaming console hacks.
"Can an internet-connected games console be an interesting addition to the available systems for a botnet?" SANS Internet Storm Center handler Arrigo Triulzi asked readers today on the organisation’s blog.
"…Is it worth my while to develop a new engine and virus to go after the Xbox 360s? Probably not, there are still plenty of Windows systems which will do just fine."