Title

Optional component installation and component repair must be prevented from using Windows Update. (Cat III impact)

Discussion

Uncontrolled system updates can introduce issues to a system. Obtaining update components from an outside source may also potentially provide sensitive information outside of the enterprise. Optional component installation or repair must be obtained from an internal source.

Check Content

If the following registry value does not exist or is not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Microsoft\Windows\CurrentVersion\Policies\Servicing\ Value Name: UseWindowsUpdate Type: REG_DWORD Value: 2

Fix Text

Configure the policy value for Computer Configuration -> Administrative Templates -> System -> "Specify settings for optional component installation and component repair" to "Enabled" and with "Never attempt to download payload from Windows Update" selected.

Additional Identifiers

Rule ID: SV-225328r852201_rule

Vulnerability ID: V-225328

Group Title: SRG-OS-000362-GPOS-00149

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.