Web Bluetooth API must be disabled.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
medium	V-235744	SRG-APP-000141	EDGE-00-000027	SV-235744r960963_rule	2024-09-13	2

Description
Control whether websites can access nearby Bluetooth devices. Access can be blocked completely or the site required to ask the user each time it wants to access a Bluetooth device. If this policy is not configured, the default value ('AskWebBluetooth', meaning users are asked each time) is used and users can change it. Policy options mapping: - BlockWebBluetooth (2) = Do not allow any site to request access to Bluetooth devices via the Web Bluetooth API. - AskWebBluetooth (3) = Allow sites to ask the user to grant access to a nearby Bluetooth device.

Description

Control whether websites can access nearby Bluetooth devices. Access can be blocked completely or the site required to ask the user each time it wants to access a Bluetooth device. If this policy is not configured, the default value ('AskWebBluetooth', meaning users are asked each time) is used and users can change it. Policy options mapping: - BlockWebBluetooth (2) = Do not allow any site to request access to Bluetooth devices via the Web Bluetooth API. - AskWebBluetooth (3) = Allow sites to ask the user to grant access to a nearby Bluetooth device.

ℹ️ Check
The policy value for "Computer Configuration/Administrative Templates/Microsoft Edge/Content settings/Control use of the Web Bluetooth API" must be set to "enabled" with the option value set to "Do not allow any site to request access to Bluetooth devices via the Web Bluetooth API". Use the Windows Registry Editor to navigate to the following key: HKLM\SOFTWARE\Policies\Microsoft\Edge If the value for "DefaultWebBluetoothGuardSetting" is not set to "REG_DWORD = 2", this is a finding.

ℹ️ Check

The policy value for "Computer Configuration/Administrative Templates/Microsoft Edge/Content settings/Control use of the Web Bluetooth API" must be set to "enabled" with the option value set to "Do not allow any site to request access to Bluetooth devices via the Web Bluetooth API". Use the Windows Registry Editor to navigate to the following key: HKLM\SOFTWARE\Policies\Microsoft\Edge If the value for "DefaultWebBluetoothGuardSetting" is not set to "REG_DWORD = 2", this is a finding.

✔️ Fix
Set the policy value for "Computer Configuration/Administrative Templates/Microsoft Edge/Content settings/Control use of the Web Bluetooth API" to "enabled" with the option value set to "Do not allow any site to request access to Bluetooth devices via the Web Bluetooth API.