Windows Server 2025 administrator accounts must not be enumerated during elevation.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-278102 | SRG-OS-000134-GPOS-00068 | WN25-CC-000240 | SV-278102r1181012_rule | 2026-02-20 | 1 |
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.
ℹ️ Check
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
Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Credential User Interface >> Enumerate administrator accounts on elevation to "Disabled".