[DevNet]

If the user runs the downloaded file and it does do something untoward, its influence is limited to the user's own home directory, as opposed to the whole system. That is exactly the way windows does it as well.

[Knitebane]

That is exactly the way windows does it as well.

Too bad it doesn't work.

Windows Privilege Escalation Exploit.

[MichiganMan]

If the user runs the downloaded file and it does do something untoward, its influence is limited to the user's own home directory, as opposed to the whole system.

That is exactly the way windows does it as well.

I was happy to see that with Vista they've finally instituted a functional user-space system. If it works as advertised it should help things considerably.