On April 8th, Microsoft will roll out the final security patches for Windows XP, it includes a critical update for IE6/7/8 and an important patch for the operating system itself.
Beyond the cut-off date, Internet-connected users of Windows XP are expected face big security risks. If you're still using XP, it's high time to move on to a more modern operating system.
Windows XP will receive a "Critical" update for IE6, 7 and 8, according to the summary, and will also get a patch labeled as "Important" on its own. Windows Server 2003 gets the same updates, but the first one is only been labeled as a "Moderate" patch. Office 2003 gets two patches as well. One is called "Critical" and is designed to fix the exploit found to affect all current versions of Word; the other patch has an "Important" label and fixes an issue in Microsoft Publisher 2003.Source: Neowin