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User Account Control must be configured to detect application installations and prompt for elevation.


Overview

Finding ID Version Rule ID IA Controls Severity
V-226341 WN12-SO-000080 SV-226341r794643_rule Medium
Description
User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting requires Windows to respond to application installation requests by prompting for credentials.
STIG Date
Microsoft Windows Server 2012/2012 R2 Domain Controller Security Technical Implementation Guide 2022-03-01

Details

Check Text ( C-28043r476867_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: EnableInstallerDetection

Value Type: REG_DWORD
Value: 1
Fix Text (F-28031r476868_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: Detect application installations and prompt for elevation" to "Enabled".