Microsoft has found several critical security risks in its Office and Internet programs that may leave people open to hackers this tax season. The biggest problem is in Internet Explorer software, because every single version of the program is at risk, the company said.

Info Security reports that Microsoft will release six security updates on Tuesday to try and fix the problems. IT experts expected one of these bulletins to be particularly “challenging” for IT security teams, since it crosses multiple products and will require “rigorous patch testing.”

This story is part of Federal News Radio’s daily Cybersecurity Update. For more cybersecurity news, click here.

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