Support for Windows Vista Service Pack 1 (SP1) ends on July 12, 2011. To continue receiving security updates for Windows, make sure you're running Windows Vista with Service Pack 2 (SP2). For more information, refer to this Microsoft web page: Support is ending for some versions of Windows.
Microsoft has completed the investigation into a public report of this vulnerability. We have issued MS09-050 to address this issue. For more information about this issue, including download links for an available security update, please review MS09-050.