Even more MSN crap - it has been shown that a malicious user can now gain total control of MSM messenger thourgh IE now.
http://www.theregister.co.uk/content/4/24004.html
So they'll be able to send people messages as you, as well as have access to your files and such.
Vulnerable systems include:
Windows 98 SE with IE6 final (fully patched as of Feb 9) and MSN Messenger 4.6.0073
Windows 98 SE with IE6 final and MSN Messenger 3.6.0024
Windows ME with IE6 final (fully patched as of Feb 9) and MSN Messenger 4.5.0127
Windows 2000 with IE6 final (fully patched as of Feb 9) and MSN Messenger 4.6.0071
Windows 2000, IE5.5, MSN Messenger 4.6.00.73
Just thought you might like to know...!