Carbon Black Cloud: MS Edge Failure to launch after 89.0.774.48 update

Carbon Black Cloud: MS Edge Failure to launch after 89.0.774.48 update

Environment

  • Carbon Black Cloud Sensor: All Supported Versions
    • Endpoint Standard (was CB Defense)
  • Microsoft Windows: All Supported Versions
  • Microsoft Edge browser: v89.0.774.48

Symptoms

  • Updating MS Edge to 89.0.774.48
  • CPU Maxed out
  • Edge will not launch
  • Multiple Edge attempts to relaunch visible in task manager

Cause

There was a change in the behavior of the latest version of Microsoft Edge

Resolution

As of 9:55 PM EST on March 09, our Engineering team resolved the issue with the recent Microsoft Edge update by pushing the necessary changes to all production environments.  As of this time, it is safe to remove any bypass rules that were created in the interim.

Additional Notes

Enterprise EDR only orgs will not be affected with this issue

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Article Information
Author:
Creation Date:
‎03-09-2021
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7879