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


Overview

Finding ID Version Rule ID IA Controls Severity
V-14241 WN12-SO-000084 SV-52952r1_rule Medium
Description
User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting ensures that the elevation prompt is only used in secure desktop mode.
STIG Date
Windows Server 2012 / 2012 R2 Domain Controller Security Technical Implementation Guide 2016-12-19

Details

Check Text ( C-47258r2_chk )
UAC requirements are NA on Server Core installations.

If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \Software\Microsoft\Windows\CurrentVersion\Policies\System\

Value Name: PromptOnSecureDesktop

Value Type: REG_DWORD
Value: 1
Fix Text (F-45878r2_fix)
UAC requirements are NA on Server Core installations.

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".