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

Local drives must be prevented from sharing with Remote Desktop Session Hosts.

DISA Rule

SV-253403r1137695_rule

Vulnerability Number

V-253403

Group Title

SRG-OS-000138-GPOS-00069

Rule Version

WN11-CC-000275

Severity

CAT II

CCI(s)

• CCI-001090 - Prevent unauthorized and unintended information transfer via shared system resources.

Weight

10

Fix Recommendation

Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Remote Desktop Services >> Remote Desktop Session Host >> Device and Resource Redirection >> "Do not allow drive redirection" to "Enabled".

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\Terminal Services\

Value Name: fDisableCdm

Value Type: REG_DWORD
Value: 1

Vulnerability Number

V-253403

Documentable

False

Rule Version

WN11-CC-000275

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\Terminal Services\

Value Name: fDisableCdm

Value Type: REG_DWORD
Value: 1

Check Content Reference

M

Target Key

5471