CVE-2026-41221 is an integer overflow vulnerability in the UEFI firmware of the Intel Slim Bootloader within Ring 0: Bare Metal OS. This flaw may allow an unauthenticated attacker with physical access and low complexity attack methods to escalate privileges. The vulnerability impacts system confidentiality, integrity, and availability at a high level. No affected versions or patches are specified. Exploitation does not require user interaction but may require special internal knowledge.