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WinRAR flaw lets hackers run programs when you open RAR archives
(www.bleepingcomputer.com)
This is a most excellent place for technology news and articles.
Microsoft basically copied WinRAR added it to the OS, back in the windows 7 days you needed WinRAR
Implementing support for a widely used format isn’t “basically copied” and there have been alternatives for decades.
Back in the Windows 7 days you could use 7zip. I've been using it since like XP