Zero-Day Exploit Against Windows BitLocker
Schneier on Security [Unofficial]
May 18, 2026
It’s nasty, but it requires physical access to the computer:
> The exploit, named YellowKey, was published earlier this week by a researcher who goes by the alias Nightmare-Eclipse. It reliably bypasses default Windows 11 deployments of BitLocker, the full-volume encryption protection Microsoft provides to make disk contents off-limits to anyone without the decryption key, which is stored in a secured piece of hardware known as a trusted platform module (TPM). BitLocker is a mandatory protection for many organizations, including those that contract with governments...
Discussion in the ATmosphere