FrSirt has posted that a new vulerability has been found which affects Internet Explorer versions 5.01 to 7 that are installed in the following Windows operating systems:

-2000 with Sevice Pack 4
-XP with Service Pack 2
-XP Pro x64 Edition
-Server 2003 with and without Service Pack 1
-Server 2003 (Itanium) with and without Service Pack 1
-Server 2003 x64 Edition

The flaw is about a memory corruption error in the implementation of the Vector Markup Language.

The solution is to apply a patch located on this Microsoft webpage:

http://www.microsoft.com/technet/security/Bulletin/MS07-004.mspx