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

Windows Server 2025 must have the built-in guest account disabled.

DISA Rule

SV-278195r1181291_rule

Vulnerability Number

V-278195

Group Title

SRG-OS-000121-GPOS-00062

Rule Version

WN25-SO-000010

Severity

CAT II

CCI(s)

• CCI-000804 - Uniquely identify and authenticate non-organizational users or processes acting on behalf of non-organizational users.

Weight

10

Fix Recommendation

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> Accounts: Guest account status to "Disabled".

Check Contents

Verify the effective setting in Local Group Policy Editor.

Run gpedit.msc.

Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options.

If the value for "Accounts: Guest account status" is not set to "Disabled", this is a finding.

For server core installations, run the following command:

Secedit /Export /Areas SecurityPolicy /CFG C:\Path\FileName.Txt

If "EnableGuestAccount" equals "1" in the file, this is a finding.

Vulnerability Number

V-278195

Documentable

False

Rule Version

WN25-SO-000010

Severity Override Guidance

Verify the effective setting in Local Group Policy Editor.

Run gpedit.msc.

Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options.

If the value for "Accounts: Guest account status" is not set to "Disabled", this is a finding.

For server core installations, run the following command:

Secedit /Export /Areas SecurityPolicy /CFG C:\Path\FileName.Txt

If "EnableGuestAccount" equals "1" in the file, this is a finding.

Check Content Reference

M

Target Key

5719