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The "Modify firmware environment values" user right must only be assigned to the Administrators group.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-253502 | WN11-UR-000140 | SV-253502r877392_rule | Medium |
| Description |
|---|
| Inappropriate granting of user rights can provide system, administrative, and other high-level capabilities. Accounts with the "Modify firmware environment values" user right can change hardware configuration environment variables. This could result in hardware failures or a DoS. |
| STIG | Date |
|---|---|
| Microsoft Windows 11 Security Technical Implementation Guide | 2023-09-29 |
Details
| Check Text ( C-56955r829588_chk ) |
|---|
| Verify the effective setting in Local Group Policy Editor. Run "gpedit.msc". Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment. If any groups or accounts other than the following are granted the "Modify firmware environment values" user right, this is a finding: Administrators |
| Fix Text (F-56905r829589_fix) |
|---|
| Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment >> "Modify firmware environment values" to only include the following groups or accounts: Administrators |