Enabling JavaScript should make Excel more powerful, but increasing access points makes it even more of a web security nightmare than it already is.

Excel displays a warning message that the file format and extension don’t match (HTML table and XLS), but allows the user to open the file anyway. Today, users reported that these reports no ...

Researchers have identified seven vulnerabilities in the LibXL C library, used to read Excel files. Each of the vulnerabilities are rated 8.8 in severity on the Common Vulnerability Scoring System ...