Referencing our previous post, Microsoft has made available an update to fix the Internet Explorer vulnerability in all versions including Windows XP.
To apply this update or check if it was applied, please do the following:
Make sure to save and close all open work before beginning.
Windows XP
Start
All Programs
Windows Update
NOTE: It may ask you to install an ActiveX Addon underneath the upper portion of the screen, this is okay to do.
Select Custom
The below should appear:

If it is already installed, there will be no updates.
Install the update and restart the computer.
Windows 7
Start
All ProgramsWindows Update
Select the Important Update –
Security Update for Internet Explorer 11 for Windows 7 for “xxxxx” based systems
Install and restart the system