Google Cast must be disabled.

Severity
Group ID
Group Title
Version
Rule ID
Date
STIG Version
mediumV-235743SRG-APP-000141EDGE-00-000026SV-235743r960963_rule2024-09-132
Description
Enable this policy to enable Google Cast. Users will be able to launch it from the app menu, page context menus, media controls on Cast-enabled websites, and (if shown) the Cast toolbar icon. Disable this policy to disable Google Cast. By default, Google Cast is enabled.
ℹ️ Check
The policy value for "Computer Configuration/Administrative Templates/Microsoft Edge/Cast/Enable Google Cast" must be set to "disabled". Use the Windows Registry Editor to navigate to the following key: HKLM\SOFTWARE\Policies\Microsoft\Edge If the value for "EnableMediaRouter" is not set to "REG_DWORD = 0", this is a finding.
✔️ Fix
Set the policy value for "Computer Configuration/Administrative Templates/Microsoft Edge/Cast/Enable Google Cast" to "disabled".