Microsoft Windows Server 2022

Windows Server 2022 User Account Control (UAC) approval mode for the built-in Administrator must be enabled

STIG ID: WN22-SO-000380 |   SRG: SRG-OS-000373-GPOS-00156 |   Severity: Medium |   CCI: CCI-002038 |   Vulnerability ID: V-254482

Description

UAC is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting configures the built-in Administrator account so that it runs in Admin Approval Mode.Satisfies: SRG-OS-000373-GPOS-00156, SRG-OS-000373-GPOS-00157

Check

C-57967r849260_chk

UAC requirements are NA for Server Core installations (this is the default installation option for Windows Server 2022 versus Server with Desktop Experience).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\System\Value Name: FilterAdministratorTokenValue Type: REG_DWORDValue: 0x00000001 (1)

Fix

F-57918r849261_fix

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> User Account Control: Admin Approval Mode for the Built-in Administrator account to "Enabled".