From what I understand, most home users will not be affected but if you have Windows XP Pro or Vista, then I believe you are. It doesn't hurt though but make sure your system is patched ASAP. This latest vulnerability is 'not good' as I like to say.

nelie - can you be more specific? Thanks.

Here is the MS bulletin for details
http://www.microsoft.com/technet/sec.../MS08-067.mspx