Information
This policy setting sets the ProcessExtensionPointDisablePolicy on Microsoft Edge's browser process to block code injection from legacy third party applications.
The recommended state for this setting is: Enabled.
Note: Per Microsoft, only turn off the policy if there are compatibility issues with third-party software that must run inside Microsoft Edge's browser process.
If this policy is set to Disabled, it may have a detrimental effect on Microsoft Edge's security and stability as unknown and potentially hostile code can load inside Microsoft Edge's browser process.
Solution
To establish the recommended configuration via configuration profiles, set the following Settings Catalog path to Enabled :
Microsoft Edge\Enable browser legacy extension point blocking
Impact:
Compatibility issues with third-party software can occur.