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Check: WN12-SO-000079

Microsoft Windows Server 2012/2012 R2 Domain Controller STIG: WN12-SO-000079 (in versions v3 r7 through v2 r7)

Title

User Account Control must automatically deny standard user requests for elevation. (Cat II impact)

Discussion

User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting controls the behavior of elevation when requested by a standard user account. Satisfies: SRG-OS-000373-GPOS-00158

Check Content

UAC requirements are NA on Server Core installations. 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: 0

Fix Text

UAC requirements are NA on Server Core installations. 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".

Additional Identifiers

Rule ID: SV-226340r852151_rule

Vulnerability ID: V-226340

Group Title: SRG-OS-000373-GPOS-00157

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CCIs

CCIs tied to check.

Number	Definition
CCI-002038	The organization requires users to reauthenticate upon organization-defined circumstances or situations requiring reauthentication.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
IA-11	Re-Authentication