User Account Control approval mode for the built-in Administrator must be enabled.

From Windows 8/8.1 Security Technical Implementation Guide

Associated with IA controls: ECCD-2, ECCD-1

Associated with: CCI-002038

SV-48172r2_rule User Account Control approval mode for the built-in Administrator must be enabled.

Vulnerability discussion

User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting configures the built-in Administrator account so that it runs in Admin Approval Mode.

Check content

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: Admin Approval Mode for the Built-in Administrator account" is not set to "Enabled", 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: FilterAdministratorToken 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: Admin Approval Mode for the Built-in Administrator account" to "Enabled".

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