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This update contains support for several vulnerabilities because the modifications that are required to address these issues are located in related files.
Instead of having to install several updates that are almost the same, customers need to install this update only.
An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.This security update is rated Critical for all supported editions of Microsoft Windows 2000, Windows XP, and Windows Server 2003.For more information, see the subsection, Affected and Non-Affected Software, in this section.This security update also addresses the vulnerability first described in Microsoft Security Advisory 971778. The majority of customers have automatic updating enabled and will not need to take any action because this security update will be downloaded and installed automatically.
Customers who have not enabled automatic updating need to check for updates and install this update manually.*The update for Direct X 8.1 also applies to Direct X 8.1b.