Overview
Microsoft recommends that you use the Office Update site to determine if your computer requires this update before installing it. The Office XP Web Services Security Patch: KB812708 offers the highest levels of stability and security available for Microsoft SharePoint Team Services. This update fixes an issue in SharePoint Team Services that could allow an attacker to send a specially formed request which would cause a temporary denial of service.
For more information on this update, see the Microsoft Knowledge Base article (812708) Office XP Web Services Security Patch: KB812708. A full-file administrative update for use by IT Administrators is available on the Microsoft Office Resource Kit Web site.