At the moment, the number of different WMF exploits weve seen has gotten well past a hundred and more are coming every hour. At the same time, some people, Microsoft included, are busy develping fixes. Microsoft has recommended customers to disregard it, warning that threats could be hidden in any patches coming from dubious sources. You should never use a patch from an untrusted source, no matter how promising it looks, says F-Secure.”]
Source: https://securelist.com/new-wmf-exploits-on-the-horizon/30111/