STIG V-205802 | Windows Server 2019 must disable the ...

Microsoft Windows Server 2019

Windows Server 2019 must disable the Windows Installer Always install with elevated privileges option

STIG ID: WN19-CC-000430 | SRG: SRG-OS-000362-GPOS-00149 | Severity: High | CCI: CCI-003980,CCI-001812 | Vulnerability ID: V-205802

Description

Standard user accounts must not be granted elevated privileges. Enabling Windows Installer to elevate privileges when installing applications can allow malicious persons and applications to gain full control of a system.

Check

C-6067r355768_chk

If the following registry value does not exist or is not configured as specified, this is a finding:Registry Hive: HKEY_LOCAL_MACHINERegistry Path: \SOFTWARE\Policies\Microsoft\Windows\Installer\Value Name: AlwaysInstallElevatedType: REG_DWORDValue: 0x00000000 (0)

Fix

F-6067r355769_fix

Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Windows Installer >> "Always install with elevated privileges" to "Disabled".