User Account Control must only elevate UIAccess applications that are installed in secure locations.

From Windows Server 2012/2012 R2 Member Server Security Technical Implementation Guide

Part of UAC - UIAccess Application Elevation

Associated with: CCI-001084

SV-52950r1_rule User Account Control must only elevate UIAccess applications that are installed in secure locations.

Vulnerability discussion

User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting configures Windows to only allow applications installed in a secure location on the file system, such as the Program Files or the Windows\System32 folders, to run with elevated privileges.

Check content

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: EnableSecureUIAPaths Value Type: REG_DWORD Value: 1

Fix text

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: Only elevate UIAccess applications that are installed in secure locations" to "Enabled".

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