SV-278254r1182222: The Windows Server 2025 "Increase scheduling priority" user right must only be assigned to the Administrators group. | Microsoft Windows Server 2025 STIG SCAP Benchmark

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Assessment Title

Rule Text

The Windows Server 2025 "Increase scheduling priority" user right must only be assigned to the Administrators group.

Description

Discussion Text

Inappropriately granting user rights provides system, administrative, and other high-level capabilities. Accounts with the "Increase scheduling priority" user right can change a scheduling priority, causing performance issues or a denial of service.

How this relates to the STIG checklist: STIG vs SCAP benchmark.

IA Controls

NIST SP 800-53

Not mappedCCI-002235

References

DPMS Target Microsoft Windows Server 2025 DISA DPMS Target Microsoft Windows Server 2025 5719

SCC Automation Reference

The reconstructed evaluation script behind this rule's OVAL check(s) — every module a compound check combines, with this rule's own concrete values and DISA's SCC tool's real per-module mechanism curated from static teardown of SCC releases.

Assessment Script Powered by AISyntax-verified

A standalone PowerShell script to assess this control automatically. Review before running it in your environment.

Syntax-checked as valid PowerShell. Not executed here — running it for real needs the actual ms_windows_server_2025 target this check assesses.

# OVAL Definition: oval:mil.disa.stig.windows2025:def:278254
$userRight = Get-CimInstance -ClassName Win32_UserRight -Filter "UserRight = 'SeIncreaseBasePriorityPrivilege'"
if ($userRight -eq $null) { exit 0 }
if ($userRight.UserName -notcontains 'Administrators') { exit 1 }
exit 0

Remediation

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment >> Increase scheduling priority to include only the following accounts or groups:
- Administrators.