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Windows Server 2019 administrator accounts must not be enumerated during elevation.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-205714 | WN19-CC-000240 | SV-205714r569188_rule | Medium |
| Description |
|---|
| 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. |
| STIG | Date |
|---|---|
| Microsoft Windows Server 2019 Security Technical Implementation Guide | 2020-10-26 |
Details
| Check Text ( C-5979r355060_chk ) |
|---|
| 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 (F-5979r355061_fix) |
|---|
| Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Credential User Interface >> "Enumerate administrator accounts on elevation" to "Disabled". |