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

Windows Server 2025 User Account Control (UAC) must automatically deny standard user requests for elevation.

DISA Rule

SV-278235r1182197_rule

Vulnerability Number

V-278235

Group Title

SRG-OS-000373-GPOS-00156

Rule Version

WN25-SO-000410

Severity

CAT II

CCI(s)

• CCI-004895 - Permit users to invoke the trusted communications path for communications between the user and the organization-defined security functions, including at a minimum, authentication and re-authentication.

Weight

10

Fix Recommendation

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> User Account Control: Behavior of the elevation prompt for standard users to "Automatically deny elevation requests".

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: ConsentPromptBehaviorUser

Value Type: REG_DWORD
Value: 0x00000000 (0)

Vulnerability Number

V-278235

Documentable

False

Rule Version

WN25-SO-000410

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: ConsentPromptBehaviorUser

Value Type: REG_DWORD
Value: 0x00000000 (0)

Check Content Reference

M

Target Key

5719