Windows 10 must be configured to prevent certificate error overrides in Microsoft Edge.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-220842 | SRG-OS-000480-GPOS-00227 | WN10-CC-000238 | SV-220842r991589_rule | 2025-09-24 | 3 |
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.
ℹ️ Check
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
Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Edge >> "Prevent certificate error overrides" to "Enabled".