InPrivate mode must be disabled.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-235723	EDGE-00-000005	SV-235723r626523_rule		Medium

Description
This setting specifies whether the user can open pages in InPrivate mode in Microsoft Edge. If this policy is not configured or set it to "Enabled", users can open pages in InPrivate mode. Set this policy to "Disabled" to stop users from using InPrivate mode. Set this policy to "Forced" to always use InPrivate mode. Policy options mapping: - Enabled (0) = InPrivate mode available - Disabled (1) = InPrivate mode disabled - Forced (2) = InPrivate mode forced

Description

This setting specifies whether the user can open pages in InPrivate mode in Microsoft Edge. If this policy is not configured or set it to "Enabled", users can open pages in InPrivate mode. Set this policy to "Disabled" to stop users from using InPrivate mode. Set this policy to "Forced" to always use InPrivate mode. Policy options mapping: - Enabled (0) = InPrivate mode available - Disabled (1) = InPrivate mode disabled - Forced (2) = InPrivate mode forced

STIG	Date
Microsoft Edge Security Technical Implementation Guide	2021-11-19

Details

Check Text ( C-38942r626365_chk )
The policy value for "Computer Configuration/Administrative Templates/Microsoft Edge/Configure InPrivate mode availability" must be set to "enabled" with the option value set to "InPrivate mode disabled". Use the Windows Registry Editor to navigate to the following key: HKLM\SOFTWARE\Policies\Microsoft\Edge If the value for "InPrivateModeAvailability" is not set to "REG_DWORD = 1", this is a finding.

Check Text ( C-38942r626365_chk )

The policy value for "Computer Configuration/Administrative Templates/Microsoft Edge/Configure InPrivate mode availability" must be set to "enabled" with the option value set to "InPrivate mode disabled".

Use the Windows Registry Editor to navigate to the following key:
HKLM\SOFTWARE\Policies\Microsoft\Edge

If the value for "InPrivateModeAvailability" is not set to "REG_DWORD = 1", this is a finding.

Fix Text (F-38905r626366_fix)
Set the policy value for "Computer Configuration/Administrative Templates/Microsoft Edge/Configure InPrivate mode availability" to "enabled" and select "InPrivate mode disabled".