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Windows Server 2025 User Account Control (UAC) must, at a minimum, prompt administrators for consent on the secure desktop.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-278234WN25-SO-000400SV-278234r1182195_ruleCCI-001084medium
Description
UAC is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting configures the elevation requirements for logged-on administrators to complete a task that requires raised privileges.
STIGDate
Microsoft Windows Server 2025 Security Technical Implementation Guide2026-02-20

Related Frameworks

1 mapping across 3 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (2) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

END-16Restrict Access To Security Functions
0.50
SEA-04.1Security Function Isolation
0.50
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (29) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

AC-2(1)Automated System Account Management
1.00
AC-2(10)Shared and Group Account Credential Change
1.00
AC-2(11)Usage Conditions
1.00
AC-2(3)Disable Accounts
1.00
AC-3Access Enforcement
1.00
AC-3(13)Attribute-based Access Control
1.00
AC-3(4)Discretionary Access Control
1.00
AC-3(7)Role-based Access Control
1.00
AC-6(10)Prohibit Non-privileged Users from Executing Privileged Functions
1.00
AC-6(8)Privilege Levels for Code Execution
1.00

+19 more (top 10 by confidence shown)

CCI1 mapping
CCI-001084
1.00

Details

Check Text (C-278234r1182195_chk)

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: ConsentPromptBehaviorAdmin Value Type: REG_DWORD Value: 0x00000002 (2) (Prompt for consent on the secure desktop) 0x00000001 (1) (Prompt for credentials on the secure desktop)

Fix Text (F-82669r1181407_fix)

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> User Account Control: Behavior of the elevation prompt for administrators in Admin Approval Mode to "Prompt for consent on the secure desktop". The more secure option for this setting, "Prompt for credentials on the secure desktop", would also be acceptable.