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jwieder/CVE-2021-40444_mitigation.reg

Created September 13, 2021 15:33
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BACKUP YOUR REGISTRY FIRST. This gist mitigates CVE-2021-40444 using a registry key that automates steps from https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-40444.
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CVE-2021-40444_mitigation.reg
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindowsCurrentVersionInternet SettingsZones0]
1001=dword00000003
1004=dword00000003
[HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindowsCurrentVersionInternet SettingsZones1]
1001=dword00000003
1004=dword00000003
[HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindowsCurrentVersionInternet SettingsZones2]
1001=dword00000003
1004=dword00000003
[HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindowsCurrentVersionInternet SettingsZones3]
1001=dword00000003
1004=dword00000003
[-HKEY_CLASSES_ROOT.docxShellEx{8895b1c6-b41f-4c1c-a562-0d564250836f}]
[-HKEY_CLASSES_ROOT.docShellEx{8895b1c6-b41f-4c1c-a562-0d564250836f}]
[-HKEY_CLASSES_ROOT.docmShellEx{8895b1c6-b41f-4c1c-a562-0d564250836f}]
[-HKEY_CLASSES_ROOT.rtfShellEx{8895b1c6-b41f-4c1c-a562-0d564250836f}]
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