this post was submitted on 21 Aug 2025
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They foresaw that. That's because python on Excel doesn't run locally, but in the cloud and then returns the result to you: https://support.microsoft.com/en-us/office/introduction-to-python-in-excel-55643c2e-ff56-4168-b1ce-9428c8308545
That's the worst possible solution to that problem. Why can't they just develop their own script that's Turing complete but doesn't have any system calls?
Or just use Lua compiled without the system calls. This is done by many video games. İt's 2025, there is no need to create new domain specific languages.
Or use embedded Lisp, like all the cool kids.
That's even worse!
Still sounds like you'd be shipping your data to the cloud, where it can be exfilled from there.
Would potentially be a great phishing tool, just need to trick someone into putting sensitive data into a precooked excel file, and it gets exfilled.
Currently only for business customers which probably use OneDrive or SharePoint anyways, so it's not that they need that to exfiltrate data. But for a phishing/hacking attempt? There are probably some nice possibilities.