STIGQter STIGQter: STIG Summary: Microsoft IIS 10.0 Site Security Technical Implementation Guide Version: 2 Release: 16 Benchmark Date: 01 Jul 2026:

The IIS 10.0 website must have a unique application pool.

DISA Rule

SV-218771r1192784_rule

Vulnerability Number

V-218771

Group Title

SRG-APP-000516-WSR-000174

Rule Version

IIST-SI-000251

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Open the IIS 10.0 Manager.

Click the site name under review.

Assign a unique application pool to each website.

Check Contents

Note: If the IIS Application Pool is hosting Microsoft SharePoint, this is not applicable.

Note: If the IIS 10.0 installation is supporting Microsoft Exchange and is not otherwise hosting any content, this requirement is not applicable.

Open the IIS 10.0 Manager.

Click "Application Pools".

In the list of Application Pools, right-click any Application Pool, and select View Applications.

Remove the filter using the prompt.

Compare the Site and Application Pool columns. If any Application Pools are being used for more than one Site, this is a finding.

Vulnerability Number

V-218771

Documentable

False

Rule Version

IIST-SI-000251

Severity Override Guidance

Note: If the IIS Application Pool is hosting Microsoft SharePoint, this is not applicable.

Note: If the IIS 10.0 installation is supporting Microsoft Exchange and is not otherwise hosting any content, this requirement is not applicable.

Open the IIS 10.0 Manager.

Click "Application Pools".

In the list of Application Pools, right-click any Application Pool, and select View Applications.

Remove the filter using the prompt.

Compare the Site and Application Pool columns. If any Application Pools are being used for more than one Site, this is a finding.

Check Content Reference

M

Target Key

4051