0xBAADF00D

Win32 uninitialized heap

category: sentinel
normalized: baadf00d
confirmed: 2026-05-18
lookups: 1
source: https://en.wikipedia.org/wiki/Hexspeak

"Bad food": pattern written by Microsoft's debug HeapAlloc to mark allocated-but-uninitialized heap memory.

Similar magic numbers

value	name	category
0x8BADF00D	iOS watchdog termination	error-code
42 41 41 44	NTFS MFT (BAAD)	file-signature
3C 7E 36 3C 5C 25 5F 30 67 53 71 68 3B	BASE85 file	file-signature