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


Overview

Finding ID Version Rule ID IA Controls Severity
V-220842 WN10-CC-000238 SV-220842r569187_rule Medium
Description
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.
STIG Date
Windows 10 Security Technical Implementation Guide 2021-08-18

Details

Check Text ( C-22557r555011_chk )
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)
Fix Text (F-22546r555012_fix)
Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Edge >> "Prevent certificate error overrides" to "Enabled".