Administrator accounts must not be enumerated during elevation.

From Windows 2008 Member Server Security Technical Implementation Guide

Part of Enumerate Administrator Accounts on Elevation

Associated with: CCI-001084

SV-29556r2_rule Administrator accounts must not be enumerated during elevation.

Vulnerability 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 enter 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 Registry Path: \SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CredUI\ Value Name: EnumerateAdministrators Type: REG_DWORD Value: 0x00000000 (0)

Fix text

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

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