Microsoft promises a security update “upon completion of [an] investigation” of the WMF security flaw. Theres currently no vendor-sanctioned fix for the Windows Metafile vulnerability. There are ways to protect your system and network from potential attack. Microsoft: “If you are a Windows OneCare user and your current status is green, you are already protected from known malware that uses this vulnerability to attempt to attack systems” If not, there are several other defense strategies, including unregistering the Windows shimgvw.dll file.”]
Source: https://www.csoonline.com/article/2119949/how-to-protect-against-windows-wmf-attacks.html