Several Microsoft service packs were released in the last day.
Here's a blurb and some links in case you missed it.

Microsoft Office 2003 SP2 Released
http://support.microsoft.com/kb/887616

Security bulletins that are associated with the service pack

MS05-023/KB890169: Vulnerabilities in Microsoft Word could lead to remote code execution
MS04-027/KB884933: Vulnerability in WordPerfect converter could allow code execution
MS04-028/KB833987: Buffer overrun in JPEG processing (GDI+) could allow code execution


Microsoft Visio 2003 SP2 Released
http://support.microsoft.com/kb/887622

Security bulletins that are associated with the service pack

MS04-028/KB833987: Buffer overrun in JPEG processing (GDI+) could allow code execution
Microsoft Outlook 2003 Junk Email Filter Update
http://support.microsoft.com/kb/904631

This update should improve your junk mail filtering accuracy.


Microsoft Project 2003 SP2 Released
http://support.microsoft.com/kb/887620

Security bulletin that is associated with the service pack

MS04-028/KB833987: Buffer overrun in JPEG processing (GDI+) could allow code execution

Thanks to Alan Mercer for finding the one I missed.