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User Account Control must, at minimum, prompt administrators for consent on the secure desktop.


Overview

Finding ID Version Rule ID IA Controls Severity
V-14235 WN08-SO-000078 SV-48173r2_rule ECCD-1 ECCD-2 Medium
Description
User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting configures the elevation requirements for logged on administrators to complete a task that requires raised privileges.
STIG Date
Windows 8/8.1 Security Technical Implementation Guide 2018-02-12

Details

Check Text ( C-44873r1_chk )
Analyze the system using the Security Configuration and Analysis snap-in. (See "Performing Analysis with the Security Configuration and Analysis Snap-in" in the STIG Overview document.)
Expand the Security Configuration and Analysis tree view.
Navigate to Local Policies -> Security Options.

If the value for "User Account Control: Behavior of the elevation prompt for administrators in Admin Approval Mode" is not set to "Prompt for consent on the secure desktop", 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: ConsentPromptBehaviorAdmin

Value Type: REG_DWORD
Value: 2 (Prompt for consent on the secure desktop)
Fix Text (F-41311r1_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "User Account Control: Behavior of the elevation prompt for administrators in Admin Approval Mode" to "Prompt for consent on the secure desktop".