The security of our products is an important matter for us at Microsoft. In order to support you to optimum effect in the secure operation of your IT infrastructure, Microsoft has released an unscheduled security update. We only ever issue unscheduled security updates for important reasons.
If you are using Microsoft Internet Explorer version 6, 7 or 8 we recommend that you install this security update as quickly as possible. You can use the link below or Microsoft Update
Further information and the link to download the security updates can be found at http://www.microsoft.com/technet/security/bulletin/ms10-018.mspx.