CVE-2026-90891

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.

• CWE-1256

• https://www.twcert.org.tw/en/cp-139-11204-6b1c6-2.html
• https://www.twcert.org.tw/tw/cp-132-11205-f6677-1.html

Published

Sep 14, 2026

Last Modified

Sep 14, 2026

Status

Received

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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