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Windows Server 2022 UIAccess applications must not be allowed to prompt for elevation without using the secure desktop.


Overview

Finding ID Version Rule ID IA Controls Severity
V-254483 WN22-SO-000390 SV-254483r849265_rule Medium
Description
User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting prevents User Interface Accessibility programs from disabling the secure desktop for elevation prompts.
STIG Date
Microsoft Windows Server 2022 Security Technical Implementation Guide 2022-08-25

Details

Check Text ( C-57968r849263_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: EnableUIADesktopToggle

Value Type: REG_DWORD
Value: 0x00000000 (0)
Fix Text (F-57919r849264_fix)
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> User Account Control: Allow UIAccess applications to prompt for elevation without using the secure desktop to "Disabled".