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

The Telnet Client must not be installed on the system.

DISA Rule

SV-253278r958480_rule

Vulnerability Number

V-253278

Group Title

SRG-OS-000096-GPOS-00050

Rule Version

WN11-00-000115

Severity

CAT II

CCI(s)

• CCI-000382 - Configure the system to prohibit or restrict the use of organization-defined prohibited or restricted functions, system ports, protocols, software, and/or services.

Weight

10

Fix Recommendation

Uninstall "Telnet Client" from the system.

Run "Programs and Features".
Select "Turn Windows Features on or off".

De-select "Telnet Client".

Check Contents

Verify Telnet Client has not been installed.

Navigate to the Windows\System32 directory.

If the "telnet" application exists, this is a finding.

Vulnerability Number

V-253278

Documentable

False

Rule Version

WN11-00-000115

Severity Override Guidance

Verify Telnet Client has not been installed.

Navigate to the Windows\System32 directory.

If the "telnet" application exists, this is a finding.

Check Content Reference

M

Target Key

5471