The "Prohibit non-administrators from applying vendor signed updates" setting should be configured correctly. (1) enabled/disabled (1) HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Installer\DisableLUAPatching CCE-612 prohibit_non_administrators_install_signed_updates oval:gov.nist.fdcc.xp:def:6122 oval:gov.nist.usgcb.xp:def:6122 BITS Shared Assessments SIG v6.0 Jericho Forum HIPAA/HITECH Act FedRAMP Security Controls(Final Release Jan 2012)--LOW IMPACT LEVEL-- ISO/IEC 27001-2005 COBIT 4.1 GAPP (Aug 2009) NERC CIP NIST SP800-53 R3 AC-6 NIST SP800-53 R3 CM-5 PCIDSS v2.0 FedRAMP Security Controls(Final Release Jan 2012)--MODERATE IMPACT LEVEL-- BITS Shared Assessments AUP v5.0 CCE Version 4.2 2008-02-15 FDCC: Guidance for Securing Microsoft Windows XP Systems for IT Professional (XCCDF Benchmark) NIST 2008-01-10 XCCDF FDCC: Guidance for Securing Microsoft Windows XP Systems for IT Professional (OVAL Definitions) NIST 2008-01-10 OVAL SCAP Repo OVAL Definition 2012-04-13 BITS Shared Assessments SIG v6.0 2012-10-12 Jericho Forum 2012-10-12 HIPAA/HITECH Act 2012-10-12 ISO/IEC 27001-2005 2012-10-12 COBIT 4.1 2012-10-12 GAPP (Aug 2009) 2012-10-12 NERC CIP 2012-10-12 NIST SP800-53 R3 2012-10-12 PCIDSS v2.0 2012-10-12 BITS Shared Assessments AUP v5.0 2012-10-12