STIGQter: STIG Summary: Microsoft Windows 11 Security Technical Implementation Guide Version: 2 Release: 8 Benchmark Date: 01 Jul 2026:

Unauthenticated RPC clients must be restricted from connecting to the RPC server.

DISA Rule

SV-253383r971545_rule

Vulnerability Number

V-253383

Group Title

SRG-OS-000379-GPOS-00164

Rule Version

WN11-CC-000165

Severity

CAT II

CCI(s)

• CCI-001967 - Authenticate organization-defined devices and/or types of devices before establishing a local, remote, and/or network connection using bidirectional authentication that is cryptographically based.

Weight

10

Fix Recommendation

Configure the policy value for Computer Configuration >> Administrative Templates >> System >> Remote Procedure Call >> "Restrict Unauthenticated RPC clients" to "Enabled" and "Authenticated".

Check Contents

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\Policies\Microsoft\Windows NT\Rpc\

Value Name: RestrictRemoteClients

Value Type: REG_DWORD
Value: 1

Vulnerability Number

V-253383

Documentable

False

Rule Version

WN11-CC-000165

Severity Override Guidance

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\Policies\Microsoft\Windows NT\Rpc\

Value Name: RestrictRemoteClients

Value Type: REG_DWORD
Value: 1

Check Content Reference

M

Target Key

5471