Title

UAC - Application Elevations (Cat II impact)

Discussion

This check verifies that Windows elevates all applications, not just signed ones.

Check Content

Analyze the system using the Security Configuration and Analysis snap-in. Expand the Security Configuration and Analysis tree view. Navigate to Local Policies -> Security Options. If the value for “User Account Control: Only elevate executables that are signed and validated” is not set to “Disabled”, then 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: ValidateAdminCodeSignatures Value Type: REG_DWORD Value: 0

Fix Text

Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> “User Account Control: Only elevate executables that are signed and validated” to “Disabled”.

Additional Identifiers

Rule ID: SV-16960r1_rule

Vulnerability ID: V-16008

Group Title: UAC - Application Elevations

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.