Windows 32bit Family XP RTM - 5.1.2600
XP SP1a - 1106
XP SP2 - 2180
Server 2003 RTM - 5.2.3790
Server 2003 SP1 - 1830
Server 2003 SP2 - 3959
Vista RTM - 6000.16386
Server 2008 Beta 3 - 6001.16510
Windows 64bit Family XP 64bit RTM - 5.2.3790.1830
XP 64bit SP2 - 3959
Server 2003 64bit RTM - 5.2.3790.1830
Server 2003 64bit SP2 - 3959
Vista 64bit RTM - 6000.16386
Server 2008 64bit Beta 3 - 6001.16510
Microsoft has released the latest monthly security updates for January 2008 and has made them available for download from the Microsoft Download Center and also from Windows Update/Microsoft Update.
Critical:
-KB941644: A security issue has been identified in TCPIP that could allow an attacker to compromise your Windows-based system and gain control over it.
Important:
-KB943485: A security issue has been identified in LSASS that could allow an attacker to compromise your Windows-based system and gain control over it.