Configuration Item for Windows 10 64 Bit

Boopathi Subramaniam 3,241 Reputation points
2021-09-13T17:37:51.437+00:00

Hi Team,

I need to create a configuration item as per the CVE-2021-40444.
All the devices are Windows 10 64 bit Opearting system.

Please let me now which registry to be used from the below to create configuration item

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion

or

HKEY_LOCAL_MACHINE\SOFTWARE\Policies**WOW6432Node**\Microsoft\Windows\CurrentVersion

Please help.

Microsoft Configuration Manager
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Accepted answer
  1. AllenLiu-MSFT 42,026 Reputation points Microsoft Vendor
    2021-09-14T02:39:33.307+00:00

    Hi, @Boopathi Subramaniam
    Thank you for posting in Microsoft Q&A forum.

    As per the article: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-40444
    This registry is for all internet zones for 64-bit and 32-bit processes.
    And we know Wow6432Node is the registry accessed by 32-bit programs running in 64-bit system, so we should not use the path with Wow6432Node.
    We just need to use the registry as the article listed.


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2 additional answers

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  1. Garth Jones 1,351 Reputation points
    2021-09-13T18:38:45.793+00:00

    The KB for this should tell you exactly which reg key to use.

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  2. Philippe Levesque 5,706 Reputation points MVP
    2021-09-13T19:04:30.313+00:00

    Hi, it's in the path without WoW. HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones*

    Per the KB:

    Windows Registry Editor Version 5.00

    [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0]
    "1001"=dword:00000003
    "1004"=dword:00000003

    [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1]
    "1001"=dword:00000003
    "1004"=dword:00000003

    [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2]
    "1001"=dword:00000003
    "1004"=dword:00000003

    [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
    "1001"=dword:00000003
    "1004"=dword:00000003

    This sets the URLACTION_DOWNLOAD_SIGNED_ACTIVEX (0x1001) and URLACTION_DOWNLOAD_UNSIGNED_ACTIVEX (0x1004) to DISABLED (3) for all internet zones for >>>64-bit and 32-bit processes<<<. New ActiveX controls will not be installed. Previously-installed ActiveX controls will continue to run.

    Thanks

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