CVE-2026-82927: Cmse Nonsecure Entry Unvalidated Pointercve-2026-82927-cmse-nonsecure-entry-unvalidated-pointer
ARM CMSE non-secure callable entry function receives pointer '$PTR' from untrusted Non-Secure world without verifying memory attribution via cmse_check_address_range() or equivalent validation. This allows Non-Secure callers to pass pointers targeting Secure memory.