Before we get into details, do not attempt to delete the file or block the file by any means. It is a system file and should remain as is.
What is Browser_Broker.exe
There are two scenarios where you would notice it in the Task Manager. When a security application or Firewall blocks internet connection attempt made by this file. Or when Edge causes high CPU and memory usage in the Task Manager.
1] Browser_Broker.exe – Where is it used?
It is a legit Microsoft Windows system file. Browser_Broker.exe is located in the System32 folder. If you observe, it starts when you use Edge browser, and exits when you close the Edge browser. Usually, Edge uses four processes, which also includes browser_broker.exe. The svchost.exe launches it and it is required for the proper functioning of Edge.
Browser_Broker appears as part of Microsoft Edge, and I am sure you would have noticed when Edge was consuming more CPU. We have also noticed that this EXE is no more used in the new Chromium version of Edge.
2] Browser_Broker.exe is a Virus?
That said, if a malware disguises itself with the same name, the location will be different. On top of it, your Security solution will instantly detect it as it will not carry any signature from Microsoft. The original file is Microsoft certified, and that’s why it is not considered as a virus. However, if it still bothers you, make sure to scan your computer with antivirus software.
3] Browser_Broker.exe high CPU utilization
If Browser_Broker.exe process consumes high CPU, you could run System File Checker to replace this potentially corrupted file with a good copy. Hope this clarifies the matter. Want to know about these processes, files or file types? Sppsvc.exe | mDNSResponder.exe | Windows.edb files | csrss.exe | Thumbs.db files | NFO and DIZ files | Index.dat file | Swapfile.sys, Hiberfil.sys & Pagefile.sys | Nvxdsync.exe | Svchost.exe | atieclxx.exe | Conhost.exe | Host Process for Windows Tasks | Taskhostw.exe.