Don't run antimalware programs against ActiveX controls: registry value 270C (Zones\3)UserHKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3

Policy ID: IZ_PolicyAntiMalwareCheckingOfActiveXControls_1
Scope: Computer Configuration, User Configuration
Supported on: At least Internet Explorer 11.0
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Windows Components › Internet Explorer › Internet Control Panel › Security Page › Internet Zone

Registry

270C

REG_DWORDUserComputer

…\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3HKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3 Current key
HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3

Enabled value: Depends on the option value
Element: Don't run antimalware programs against ActiveX controls

Options
Item	Stored value
Enable	3
Disable	0

Apply with .reg · CMD · PowerShell

UserPer-account setting

.reg

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]

; Options (use only one)
; Enable
"270C"=dword:00000003
; Disable
"270C"=dword:00000000

CMD

:: Options (use only one)

:: Enable
reg add "HKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3" /v "270C" /t REG_DWORD /d 3 /f
:: Disable
reg add "HKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3" /v "270C" /t REG_DWORD /d 0 /f

PowerShell

# Common: create the key
New-Item -Path 'HKCU:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3' -Force | Out-Null

# Options (use only one)
# Enable
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3' -Name '270C' -PropertyType DWord -Value 3 -Force | Out-Null
# Disable
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3' -Name '270C' -PropertyType DWord -Value 0 -Force | Out-Null

ComputerMachine-wide setting

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]

; Options (use only one)
; Enable
"270C"=dword:00000003
; Disable
"270C"=dword:00000000

CMD

:: Options (use only one)

:: Enable
reg add "HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3" /v "270C" /t REG_DWORD /d 3 /f
:: Disable
reg add "HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3" /v "270C" /t REG_DWORD /d 0 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3' -Force | Out-Null

# Options (use only one)
# Enable
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3' -Name '270C' -PropertyType DWord -Value 3 -Force | Out-Null
# Disable
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3' -Name '270C' -PropertyType DWord -Value 0 -Force | Out-Null