Windows Server 2025 Windows Remote Management (WinRM) service must not store RunAs credentials.

Severity
Group ID
Group Title
Version
Rule ID
Date
STIG Version
mediumV-278130SRG-OS-000373-GPOS-00156WN25-CC-000520SV-278130r1181925_rule2026-02-201

Description

Storage of administrative credentials could allow unauthorized access. Disallowing the storage of RunAs credentials for WinRM will prevent them from being used with plug-ins. Satisfies: SRG-OS-000373-GPOS-00156, SRG-OS-000373-GPOS-00157

ℹ️ Check

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\WinRM\Service\ Value Name: DisableRunAs Type: REG_DWORD Value: 0x00000001 (1)

✔️ Fix

Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Windows Remote Management (WinRM) >> WinRM Service >> Disallow WinRM from storing RunAs credentials to "Enabled".