For example, updates help resolve several issues in PowerShell modules that allowed an attacker to bypass Windows Defender Application Control. Microsoft recommends that you install the latest security updates. In addition, when an application version is upgraded to fix a security vulnerability or potential Windows Defender Application Control bypass, you should add deny rules to your application control policies for that application’s previous, less secure versions. Such applications should be blocked by your Windows Defender Application Control policy. William application list will be updated with the latest vendor information as application vulnerabilities are resolved and new issues are discovered.Ĭertain software applications may allow other code to run by design. * Microsoft recognizes the efforts of people in the security community who help us protect customers through responsible vulnerability disclosure, and extends thanks to the following people: Name However, if your reference system is an end-user device that isn't being used in a development context, we recommend that you block msbuild.exe. BGInfo versions earlier than 4.22 are still vulnerable and should be blocked.Ģ If you're using your reference system in a development context and use msbuild.exe to build managed applications, we recommend that you allow msbuild.exe in your code integrity policies. If you use BGInfo, for security, make sure to download and run the latest version of BGInfo. These applications or files can be used by an attacker to circumvent application allow policies, including Windows Defender Application Control:ġ A vulnerability in bginfo.exe was fixed in version 4.22. Unless your use scenarios explicitly require them, Microsoft recommends that you block the following applications. With the help of their valuable reports, Microsoft has identified a list of valid applications that an attacker could also potentially use to bypass Windows Defender Application Control. Members of the security community * continuously collaborate with Microsoft to help protect customers. Learn more about the Windows Defender Application Control feature availability. Some capabilities of Windows Defender Application Control are only available on specific Windows versions.
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