Israeli security outfit Cymulate say they have uncovered a new way to serve up malware to computer users. The attack takes advantage of how online videos can be embedded inside Microsoft Office documents. Microsoft has refused to release a patch to fix the problem, saying it is someone elses problem The researchers contacted Microsoft three months ago with their findings, only to be told that the software giant would not recognise the issue as a vulnerability. Microsoft Office doesnt believe it needs to make any changes to its software.”]
Source: https://grahamcluley.com/videos-office-documents-malware/