Windows Server 2022 Access Credential Manager as a trusted caller user right must not be assigned to any groups or accounts.

STIG ID: WN22-UR-000010 |  SRG: SRG-OS-000324-GPOS-00125 |  Severity: medium |  CCI:  | Vulnerability Id: V-254491

Vulnerability Discussion

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.

Check

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).

Fix

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.

For server core installations, run the following command:

Secedit /Export /Areas User_Rights /cfg c:\path\filename.txt

Review the text file.

If any SIDs are granted the "SeTrustedCredManAccessPrivilege" user right, this is a finding.