Guest mode must be disabled.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-235772	EDGE-00-000060	SV-235772r626523_rule		Medium

Description
Enabling Guest mode allows the use of guest profiles in Microsoft Edge. In a guest profile, the browser does not import browsing data from existing profiles, and it deletes browsing data when all guest profiles are closed. If this policy is enabled or not configured, Microsoft Edge lets users browse in guest profiles. If this policy is disabled, Microsoft Edge does not let users browse in guest profiles.

Description

Enabling Guest mode allows the use of guest profiles in Microsoft Edge. In a guest profile, the browser does not import browsing data from existing profiles, and it deletes browsing data when all guest profiles are closed. If this policy is enabled or not configured, Microsoft Edge lets users browse in guest profiles. If this policy is disabled, Microsoft Edge does not let users browse in guest profiles.

STIG	Date
Microsoft Edge Security Technical Implementation Guide	2021-02-16

Details

Check Text ( C-38991r626512_chk )
The policy value for "Computer Configuration/Administrative Templates/Microsoft Edge/Enable guest mode" 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 "BrowserGuestModeEnabled" is not set to "REG_DWORD = 0", this is a finding.

Fix Text (F-38954r626513_fix)
Set the policy value for "Computer Configuration/Administrative Templates/Microsoft Edge/Enable guest mode" to "disabled".