Title

The system must require username and password to elevate a running application. (Cat II impact)

Discussion

Enumeration of administrator accounts when elevating can provide part of the logon information to an unauthorized user. This setting configures the system to always require users to type in a username and password to elevate a running application.

Check Content

If the following registry value does not exist or is not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Subkey: \Software\Microsoft\Windows\CurrentVersion\Policies\CredUI Value Name: EnumerateAdministrators Type: REG_DWORD Value: 0

Fix Text

Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Credential User Interface -> "Enumerate administrator accounts on elevation" to "Disabled".

Additional Identifiers

Rule ID: SV-48202r2_rule

Vulnerability ID: V-14243

Group Title: Enumerate Administrator Accounts on Elevation

Expert Comments

CCIs tied to check.

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