WMF Security Threat Patch

A very dangerous zero day exploit has been exposed in all versions of Microsoft Windows. An unused feature in the WMF (Windows Meta File) code can be hacked to allow malicious code to be run on your Windows system. Microsoft will not have an official patch before next week at the earliest! To avoid putting your system at risk visit Steve Gibson's GRC site and download the unofficial fix. It's compatible with Windows 2000 - Windows XP 64-bit operating systems.

Read more about this from BBC News