Although MHT files are archives that contain JPEG images and other files that make up Web pages, you can't use WINRAR or WinZIP to extract the images.

Thus, if you download an infected MHT file, IE will know that it needs to open the MHT file with caution (at “low integrity,” in a sandbox). That severely limits this exploit’s reach.

OS-Windows XP ProIE7Office 2003I have a worker that opened a .doc attachment from an e-mail inside of IE7. (word embedded in the browser). She made changes to the document and attemtpted to save ...

While that does suggest a patch is on the way, it leaves millions of users potentially vulnerable unless they either turn off Internet Explorer or point to another app that can open MHT files.

Because on Windows all MHT files are automatically set to open by default in Internet Explorer, exploiting this vulnerability is trivial, as users only need to double-click on a file they received ...

The flaw relies on '.MHT' files, which is a file type used for web pages that are saved on Internet Explorer. As a result, when users open a malicious file, it automatically opens in Internet ...