https://www.bleepingcomputer.com/news/security/intel-updates-nuc-firmware-to-patch-high-severity-bug/

Intel today released a firmware update for multiple NUC Kit models to patch a high-severity issue that could be exploited to achieve privilege escalation, cause a denial-of-service (DoS) condition, or information disclosure.

NUC Kits are not the only small-form-factor computers from Intel requiring this update. A Compute Card and a Compute Stick run with the same BIOS and are equally affected by the bug.