CVE-2021-40444 Mitigation Script
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Set-Strictmode -Version 2 | |
# Applies reg keys from https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-40444 | |
# Although the above document is still "Revision 1.0", Microsoft has removed the WOW6432 section | |
for($i = 0; $i -le 3; $i++) { | |
$RegPath = "HKLM:\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\$i" | |
if (-not (Test-Path $RegPath)) { | |
New-Item $RegPath -Force | |
} | |
New-ItemProperty -Path $RegPath -Name "1001" -PropertyType DWORD -Value 00000003 -Force | |
New-ItemProperty -Path $RegPath -Name "1004" -PropertyType DWORD -Value 00000003 -Force | |
} | |
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