Technically speaking, Office XP SP3 is still eligible to receive security updates. It's not a patch, as Microsoft explains in a footnote to the security bulletin. Instead of a fix, Microsoft recommends applying a workaround or a shim to Office XP, which Microsoft has automated as a Fix it release. However, there's no actual fix included for Office XP users.

The April patch contains security bulletin MS10-036, designed to fix an 'important' vulnerability in Office XP, Office 2003 and Office 2007. That seems to be the case with Office XP Service Pack 3, which is one of the applications to be patched listed in Microsoft's massive April security update. When it comes to security patching, aging Microsoft products appear to require a bit more attention from IT pros. News Microsoft Offers Office XP Shim, but No Patch Microsoft did not claim any performance boosts for Windows XP SP3, but one firm, after testing an earlier version of SP3, claims that in fact, users of Microsoft Office will see a moderate speed boost. WPA2 is already available in Windows Vista and Windows Server 2003 with SP2. Particularly noteworthy for Wi-Fi users is Wi-Fi Protected Access 2 (WPA2), which supports the new Wi-Fi Alliance certification for secure wireless networks. Windows XP SP3 also rolls up a variety of previous patches and hotfixes. In Windows XP SP3, Microsoft claims that flaw is fixed.

Last November, Israeli researchers said that attackers could exploit a weakness in Windows 2000’s pseudo-random number generator (PRNG) and be able to predict encryption keys. In addition, Microsoft has beefed up security by upgrading the random number generator. In addition, NAP gives the administrator tools to bring the PC into compliance with the security policies, and then give the PC access to the network. With NAP, network administrators can set this kind of access at a finely granular level.

Office xp service pack 3