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

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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-14237	WN12-SO-000080	SV-52949r1_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
Windows Server 2012/2012 R2 Member Server Security Technical Implementation Guide	2017-12-05

Details

Check Text ( C-47255r2_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-45875r2_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".