User Account Control will switch to the secure desktop when prompting for elevation.

From Windows Server 2008 R2 Member Server Security Technical Implementation Guide

Associated with: CCI-001084

SV-32391r1_rule User Account Control will switch to the secure desktop when prompting for elevation.

Vulnerability discussion

This check verifies that the elevation prompt is only used in secure desktop mode.

Check content

Analyze the system using the Security Configuration and Analysis snap-in. Expand the Security Configuration and Analysis tree view. Navigate to Local Policies -> Security Options. If the value for “User Account Control: Switch to the secure desktop when prompting for elevation” is not set to “Enabled”, then this is a finding. The policy referenced configures the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Microsoft\Windows\CurrentVersion\Policies\System\ Value Name: PromptOnSecureDesktop Value Type: REG_DWORD Value: 1

Fix text

Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> “User Account Control: Switch to the secure desktop when prompting for elevation” to “Enabled”.

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