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Editorial Team
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Asked: 2026-06-04T08:54:27+00:00

Simple question, but is there a win32 API call to retrieve if a process

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Simple question, but is there a win32 API call to retrieve if a process handle has the PROCESS_QUERY_INFORMATION access flag in order to successfully call IsWow64Process? AccessCheck Function – MSDN seems like it’d work but I’m not sure if that’s checking the same sort of flags.

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  1. Editorial Team

    Have a look at the NtQueryObject() function. Set its ObjectInformationClass parameter to ObjectBasicInformation to request the handle’s PUBLIC_OBJECT_BASIC_INFORMATION struct, which has a GrantedAccess member of type ACCESS_MASK, which might contain PROCESS_QUERY_INFORMATION.

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