STIGQter: STIG Summary: Microsoft Windows Server 2025 Security Technical Implementation Guide Version: 1 Release: 2 Benchmark Date: 01 Jul 2026:

Windows Server 2025 Remote Desktop Services must prevent drive redirection.

DISA Rule

SV-278113r1181045_rule

Vulnerability Number

V-278113

Group Title

SRG-OS-000138-GPOS-00069

Rule Version

WN25-CC-000350

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

Type: REG_DWORD
Value: 0x00000001 (1)

Vulnerability Number

V-278113

Documentable

False

Rule Version

WN25-CC-000350

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

Type: REG_DWORD
Value: 0x00000001 (1)

Check Content Reference

M

Target Key

5719