The problem was first announced yesterday, and last night Microsoft released a temporary fix.
Here is the original overview from the FBI:
“A vulnerability has been discovered in Microsoft’s web browser, Internet Explorer, which could allow an attacker to take complete control of an affected system. Exploitation may occur if a user visits or is redirected to a web page which is specifically crafted to take advantage of the vulnerability. Successful exploitation of this vulnerability could result in an attacker gaining the same privileges as the logged on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Failed exploit attempts may result in a denial-of-service condition.”Microsoft today released a workaround which acts as a temporary fix. It is available at: https://support.microsoft.com/kb/2847140. The company is working on a patch to undo the vulnerability, which does not affect other versions of IE.
“BBB recommends that everyone with Internet Explorer 8 apply the temporary fix immediately,” said Ben Steinberg, Chief Information Officer of the Council of Better Business Bureaus. “If you are not sure which version you have, try running the fix. If you don’t have IE8, the fix will stop running and let you know that your system is not at risk. Microsoft will let you know when the patch is available, and you need to download that as soon as it is.”For more details and the fix, go to: https://support.microsoft.com/kb/2847140.