_OBJECT_HEADER_AUDIT_INFO

Windows 8.1 | Server 2012R2 Update 1
Windows 10 1507 (Original Release, Threshold 1)
Windows 10 1511 (November Update, Threshold 2)
//0x10 bytes (sizeof)
struct _OBJECT_HEADER_AUDIT_INFO
{
    VOID* SecurityDescriptor;                                               //0x0
    ULONGLONG Reserved;                                                     //0x8
};