V-253457
SV-253457r1081060_rule
CAT II
Remote calls to the Security Account Manager (SAM) must be restricted to Administrators.
From: Microsoft Windows 11 Security Technical Implementation Guide (V2R7)
Description
<VulnDiscussion>The Windows SAM stores users' passwords. Restricting remote rpc connections to the SAM to Administrators helps protect those credentials.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
Check Procedure
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: \SYSTEM\CurrentControlSet\Control\Lsa\
Value Name: RestrictRemoteSAM
Value Type: REG_SZ
Value: O:BAG:BAD:(A;;RC;;;BA)
If a domain application account such as for a management tool requires this user right, this would not be a finding.
Vendor documentation must support the requirement for having the user right.
The requirement must be documented with the ISSO.
Fix Text
Navigate to the policy Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Network access: Restrict clients allowed to make remote calls to SAM".
Select "Edit Security" to configure the "Security descriptor:".
Add "Administrators" in "Group or user names:" if it is not already listed (this is the default).
Select "Administrators" in "Group or user names:".
Select "Allow" for "Remote Access" in "Permissions for "Administrators".
Click "OK".
The "Security descriptor:" must be populated with "O:BAG:BAD:(A;;RC;;;BA) for the policy to be enforced.
CCI Reference
CCI-002235- Created
- 2026-04-07 20:08:25
- Last Updated
- 2026-04-07 20:08:25