CVE-2026-90891 [MEDIUM] – ASRock Polychrome SYNC/RGB software utility developed by ASRock Inc. has an Improper Acces

ASRock Polychrome SYNC/RGB software utility developed by ASRock Inc. has an Improper Access Control vulnerability. Authenticated local attackers can send a specially crafted IOCTL request to cause the driver to write to improperly restricted I/O ports, resulting in a forced operating system reboot.