Microsoft Edge Security Technical Implementation Guide

The Microsoft Edge Security Technical Implementation Guide (V2 R5) has 61 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.

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Severity

Version

V2 · R5

CurrentPublished Wed Apr 01 2026

Access to Microsoft 365 Copilot writing assistance must be disabled.

Microsoft Edge Security Technical Implementation Guide

Assessment Title

Rule Text

Access to Microsoft 365 Copilot writing assistance must be disabled.

Description

Discussion Text

This policy controls whether users can use writing support features in Microsoft Edge for Business, such as Rewrite, which utilizes Microsoft 365 Copilot Chat.

New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.

Objective

V-279940

Rule

SV-279940r1156561_rule

Severity

medium

Rule Version

EDGE-00-000069

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

The policy value for "Computer Configuration/Administrative Templates/Microsoft Edge/Control access to Microsoft 365 Copilot writing assistance in Microsoft Edge for Business" must be set to "disabled".

Use the Windows Registry Editor to navigate to the following key:
HKLM\SOFTWARE\Policies\Microsoft\Edge

If the value for "ComposeInlineEnabled" is not set to "REG_DWORD = 0", this is a finding.

Implementation Procedure

Fix Text

Set the policy value for "Control access to Microsoft 365 Copilot writing assistance in Microsoft Edge for Business" to "disabled".

STIG check 60 of 61 in the Microsoft Edge STIG checklist

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