STIGQter: STIG Summary: Microsoft Windows Server 2012/2012 R2 Member Server Security Technical Implementation Guide Version: 3 Release: 2 Benchmark Date: 04 May 2021:

Windows must elevate all applications in User Account Control, not just signed ones.

DISA Rule

SV-225519r569185_rule

Vulnerability Number

V-225519

Group Title

SRG-OS-000134-GPOS-00068

Rule Version

WN12-SO-000081

Severity

CAT II

CCI(s)

• CCI-001084 - The information system isolates security functions from nonsecurity functions.

Weight

10

Fix Recommendation

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: Only elevate executables that are signed and validated" to "Disabled".

Check Contents

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: ValidateAdminCodeSignatures

Value Type: REG_DWORD
Value: 0

Vulnerability Number

V-225519

Documentable

False

Rule Version

WN12-SO-000081

Severity Override Guidance

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: ValidateAdminCodeSignatures

Value Type: REG_DWORD
Value: 0

Check Content Reference

M

Target Key

4214

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