Unauthorized accounts must not have the Access Credential Manager as a trusted caller user right.

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Unauthorized accounts must not have the Access Credential Manager as a trusted caller user right.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-26469	WN12-UR-000001	SV-53120r1_rule		Medium

Description
Inappropriate granting of user rights can provide system, administrative, and other high-level capabilities. Accounts with the "Access Credential Manager as a trusted caller" user right may be able to retrieve the credentials of other accounts from Credential Manager.

STIG	Date
Windows Server 2012/2012 R2 Member Server Security Technical Implementation Guide	2018-03-07

Details

Check Text ( C-47426r1_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 accounts or groups are granted the "Access Credential Manager as a trusted caller" user right, this is a finding.

Fix Text (F-46046r1_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> User Rights Assignment -> "Access Credential Manager as a trusted caller" to be defined but containing no entries (blank).