STIGQter STIGQter: STIG Summary: Microsoft Windows Server 2025 Security Technical Implementation Guide Version: 1 Release: 2 Benchmark Date: 01 Jul 2026:

Windows Server 2025 UIAccess applications must not be allowed to prompt for elevation without using the secure desktop.

DISA Rule

SV-278233r1182193_rule

Vulnerability Number

V-278233

Group Title

SRG-OS-000134-GPOS-00068

Rule Version

WN25-SO-000390

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

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".

Check Contents

UAC requirements are not applicable for Server Core installations (this is the default installation option for Windows Server 2025 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)

Vulnerability Number

V-278233

Documentable

False

Rule Version

WN25-SO-000390

Severity Override Guidance

UAC requirements are not applicable for Server Core installations (this is the default installation option for Windows Server 2025 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)

Check Content Reference

M

Target Key

5719