Windows Media Player for Windows XP includes components of Windows Media Player 6.4, but they are not affected by the ASF buffer overrun or by any of the other vulnerabilities discussed in the security bulletins listed above. However, the version 6.4 components that ship with Windows Media Player for Windows XP are affected by some of the newly discovered variants of these vulnerabilities. Rather than installing this patch, however, we recommend that customers install the 25 October 2001 Critical Update for Windows XP.
oftewel, de update voor Windows XP staat al een tijdje op windowsupdate.com onder de naam: "25 October 2001 Critical Update"
/edit hoezo overbodig?