Mozilla: XLL file extensions were downloadable without warnings

The Mozilla Foundation Security Advisory describes this flaw as: Excel .xll add-in files did not have a blocklist entry in Firefox's executable blocklist which allowed them to be downloaded without any warning of their potential harm...

Microsoft Office Remote Code Execution Vulnerability (CNVD-2016-04951)

Microsoft Office is an office software suite of products developed by the U.S. company Microsoft Microsoft. Commonly used components are Word, Excel, Access, Powerpoint, FrontPage and so on. A remote code execution vulnerability exists in Microsoft Office, which originates from the program failin...