Microsoft Windows 10

The built-in administrator account must be disabled

STIG ID: WN10-SO-000005 | SRG: SRG-OS-000104-GPOS-00051 | Severity: Medium | CCI: CCI-000764 | Vulnerability ID: V-220908

Description

The built-in administrator account is a well-known account subject to attack. It also provides no accountability to individual administrators on a system. It must be disabled to prevent its use.

Check

C-22623r555209_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 >> Security Options.If the value for "Accounts: Administrator account status" is not set to "Disabled", this is a finding.

Fix

F-22612r555210_fix

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Accounts: Administrator account status" to "Disabled".