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Microsoft has added the ability for users to create custom Javascript functions in Excel spreadsheets, creating concern among security experts. According to Excel program managers Michael Saunders ...

Microsoft recently announced a developer preview release supporting JavaScript to create custom functions directly in Excel. This addition moves beyond the existing Microsoft Office JavaScript API ...

At its Ignite conference, Microsoft today announced an update to Excel that brings a new JavaScript API to the venerable spreadsheet app. With this new API, developers will be able to create custom ...

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

It didn’t take long at all for a security researcher to demonstrate how easy it was to turn an Excel spreadsheet into a cryptomining machine.

JavaScript isn't replacing Office macros anytime soon, but the Office Web apps (and the SharePoint-based enterprise equivalents) are improving regularly. For users that means simple but useful ...

Also, if you try to execute a JavaScript function in an Excel spreadsheet connected to an external server, permission to connect is requested, so it seems to prevent the execution of illegal code.

To provide Python in Excel locally, Anaconda used Microsoft’s existing Excel plugin capabilities combined with their own technologies. They used PyScript, a Python-on-WebAssembly (WASM) technology, to ...

In the well-established Office Ready-Fire-Aim tradition, Microsoft adds two new “features” that beg to be abused. Details appeared at Build, and the bad guys already have their keyboards primed.