The Change the system time user right must only be assigned to Administrators and Local Service and NT SERVICE\autotimesvc.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-220961	WN10-UR-000035	SV-220961r569187_rule		Medium

Description
Inappropriate granting of user rights can provide system, administrative, and other high level capabilities. Accounts with the "Change the system time" user right can change the system time, which can impact authentication, as well as affect time stamps on event log entries. The NT SERVICE\autotimesvc is added in v1909 cumulative update.

STIG	Date
Windows 10 Security Technical Implementation Guide	2021-08-18

Details

Check Text ( C-22676r555368_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 "Change the system time" user right, this is a finding: Administrators LOCAL SERVICE NT SERVICE\autotimesvc is added in v1909 cumulative update.

Check Text ( C-22676r555368_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 "Change the system time" user right, this is a finding:

Administrators
LOCAL SERVICE
NT SERVICE\autotimesvc is added in v1909 cumulative update.

Fix Text (F-22665r555369_fix)
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment >> "Change the system time" to only include the following groups or accounts: Administrators LOCAL SERVICE NT SERVICE\autotimesvc is added in v1909 cumulative update.