Modify firmware environment values This policy setting allows users to configure the system-wide environment variables that affect hardware configuration. This information is typically stored in the Last Known Good Configuration. Modification of these values and could lead to a hardware failure that would result in a denial of service condition. When configuring a user right in the SCM enter a comma delimited list of accounts. Accounts can be either local or located in Active Directory, they can be groups, users, or computers. Counter Measure: Ensure that only the local Administrators group is assigned the Modify firmware environment values user right. Potential Impact: None. This is the default configuration.

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(1) GPO: Computer ConfigurationWindows SettingsSecurity SettingsLocal PoliciesUser Rights AssignmentModify firmware environment values (2) REG: ### (3) WMI: root sopcomputer RSOP_UserPrivilegeRight AccountList UserRight='SeSystemEnvironmentPrivilege' and precedence=1