Microsoft Windows 10 Security Technical Implementation Guide

The Microsoft Windows 10 Security Technical Implementation Guide (V3 R6) has 267 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

V3 · R6

CurrentPublished Mon Jan 05 2026

Windows 10 must be configured to prevent certificate error overrides in Microsoft Edge.

Microsoft Windows 10 Security Technical Implementation Guide

Assessment Title

Rule Text

Windows 10 must be configured to prevent certificate error overrides in Microsoft Edge.

Description

Discussion Text

Web security certificates provide an indication whether a site is legitimate. This policy setting prevents the user from ignoring Secure Sockets Layer/Transport Layer Security (SSL/TLS) certificate errors that interrupt browsing.

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

Objective

V-220842

Rule

SV-220842r991589_rule

Severity

medium

Rule Version

WN10-CC-000238

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

This setting is applicable starting with v1809 of Windows 10; it is NA for prior versions.

Windows 10 LTSC\B versions do not include Microsoft Edge; this is NA for those systems.

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\MicrosoftEdge\Internet Settings\

Value Name: PreventCertErrorOverrides

Type: REG_DWORD
Value: 0x00000001 (1)

Implementation Procedure

Fix Text

Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Edge >> "Prevent certificate error overrides" to "Enabled".

STIG check 142 of 267 in the Microsoft Windows 10 STIG checklist

← Previous · V-220841Users must not be allowed to ignore Windows Defender SmartScreen filter warnings for unverified files in Microsoft Edge.Next · V-220843 →The password manager function in the Edge browser must be disabled.