Cross-version syscall map

Compare syscall IDs across Windows builds. This page is under construction in Phase 1 — the data model is wired and the table will populate as syscalls are added.

Syscall	Win10 1507	Win10 1607	Win10 1703	Win10 1709	Win10 1803	Win10 1809	Win10 1903	Win10 1909	Win10 2004	Win10 20H2	Win10 21H1	Win10 21H2	Win10 22H2	Win11 21H2	Win11 22H2	Win11 23H2	Win11 24H2	Server 2016	Server 2019	Server 2022	Server 2025
NtAllocateVirtualMemory	—	—	—	—	—	—	—	0x18	0x18	0x18	0x18	0x18	0x18	0x18	0x18	0x18	0x18	—	0x18	0x18	0x18
NtProtectVirtualMemory	0x50	0x50	0x50	0x50	0x50	0x50	0x50	0x50	0x50	0x50	0x50	0x50	0x50	0x50	0x50	0x50	0x50	0x50	0x50	0x50	0x50
NtWriteVirtualMemory	0x3A	0x3A	0x3A	0x3A	0x3A	0x3A	0x3A	0x3A	0x3A	0x3A	0x3A	0x3A	0x3A	0x3A	0x3A	0x3A	0x3A	0x3A	0x3A	0x3A	0x3A
NtReadVirtualMemory	0x3F	0x3F	0x3F	0x3F	0x3F	0x3F	0x3F	0x3F	0x3F	0x3F	0x3F	0x3F	0x3F	0x3F	0x3F	0x3F	0x3F	0x3F	0x3F	0x3F	0x3F
NtOpenProcess	0x26	0x26	0x26	0x26	0x26	0x26	0x26	0x26	0x26	0x26	0x26	0x26	0x26	0x26	0x26	0x26	0x26	0x26	0x26	0x26	0x26
NtCreateThreadEx	0xB3	0xB6	0xB9	0xBA	0xBB	0xBC	0xBD	0xBD	0xC1	0xC1	0xC1	0xC2	0xC2	0xC6	0xC7	0xC7	0xC9	0xB6	0xBC	0xC5	0xC9
NtCreateSection	0x4A	0x4A	0x4A	0x4A	0x4A	0x4A	0x4A	0x4A	0x4A	0x4A	0x4A	0x4A	0x4A	0x4A	0x4A	0x4A	0x4A	0x4A	0x4A	0x4A	0x4A
NtMapViewOfSection	0x28	0x28	0x28	0x28	0x28	0x28	0x28	0x28	0x28	0x28	0x28	0x28	0x28	0x28	0x28	0x28	0x28	0x28	0x28	0x28	0x28
NtQueueApcThread	0x45	0x45	0x45	0x45	0x45	0x45	0x45	0x45	0x45	0x45	0x45	0x45	0x45	0x45	0x45	0x45	0x45	0x45	0x45	0x45	0x45
NtResumeThread	0x52	0x52	0x52	0x52	0x52	0x52	0x52	0x52	0x52	0x52	0x52	0x52	0x52	0x52	0x52	0x52	0x52	0x52	0x52	0x52	0x52
NtOpenProcessToken	0x114	0x119	0x11D	0x11F	0x121	0x122	0x123	0x123	0x128	0x128	0x128	0x129	0x129	0x12F	0x131	0x131	0x133	0x119	0x122	0x12E	0x133
NtOpenProcessTokenEx	0x30	0x30	0x30	0x30	0x30	0x30	0x30	0x30	0x30	0x30	0x30	0x30	0x30	0x30	0x30	0x30	0x30	0x30	0x30	0x30	0x30
NtAdjustPrivilegesToken	0x41	0x41	0x41	0x41	0x41	0x41	0x41	0x41	0x41	0x41	0x41	0x41	0x41	0x41	0x41	0x41	0x41	0x41	0x41	0x41	0x41
NtQueryInformationToken	0x21	0x21	0x21	0x21	0x21	0x21	0x21	0x21	0x21	0x21	0x21	0x21	0x21	0x21	0x21	0x21	0x21	0x21	0x21	0x21	0x21
NtDuplicateToken	0x42	0x42	0x42	0x42	0x42	0x42	0x42	0x42	0x42	0x42	0x42	0x42	0x42	0x42	0x42	0x42	0x42	0x42	0x42	0x42	0x42
NtImpersonateAnonymousToken	0xED	0xF0	0xF3	0xF4	0xF5	0xF6	0xF7	0xF7	0xFC	0xFC	0xFC	0xFD	0xFD	0x102	0x103	0x103	0x105	0xF0	0xF6	0x101	0x105
NtImpersonateThread	0xEE	0xF1	0xF4	0xF5	0xF6	0xF7	0xF8	0xF8	0xFD	0xFD	0xFD	0xFE	0xFE	0x103	0x104	0x104	0x106	0xF1	0xF7	0x102	0x106
NtSetInformationThread	0xD	0xD	0xD	0xD	0xD	0xD	0xD	0xD	0xD	0xD	0xD	0xD	0xD	0xD	0xD	0xD	0xD	0xD	0xD	0xD	0xD
NtCreateKey	0x1D	0x1D	0x1D	0x1D	0x1D	0x1D	0x1D	0x1D	0x1D	0x1D	0x1D	0x1D	0x1D	0x1D	0x1D	0x1D	0x1D	0x1D	0x1D	0x1D	0x1D
NtSetValueKey	0x60	0x60	0x60	0x60	0x60	0x60	0x60	0x60	0x60	0x60	0x60	0x60	0x60	0x60	0x60	0x60	0x60	0x60	0x60	0x60	0x60
NtCreateFile	0x55	0x55	0x55	0x55	0x55	0x55	0x55	0x55	0x55	0x55	0x55	0x55	0x55	0x55	0x55	0x55	0x55	0x55	0x55	0x55	0x55
NtWriteFile	0x8	0x8	0x8	0x8	0x8	0x8	0x8	0x8	0x8	0x8	0x8	0x8	0x8	0x8	0x8	0x8	0x8	0x8	0x8	0x8	0x8
NtSetInformationFile	0x27	0x27	0x27	0x27	0x27	0x27	0x27	0x27	0x27	0x27	0x27	0x27	0x27	0x27	0x27	0x27	0x27	0x27	0x27	0x27	0x27
NtSetSystemInformation	0x18E	0x197	0x19D	0x1A0	0x1A2	0x1A3	0x1A4	0x1A4	0x1AA	0x1AA	0x1AA	0x1AC	0x1AC	0x1B5	0x1B9	0x1B9	0x1BC	0x197	0x1A3	0x1B2	0x1BC

More data coming soon