VULNERABILITY INTELLIGENCE
CVE-2026-90891
CVSS score5.5 MEDIUM
EPSS probability0.13%
CISA KEVNot currently listed
Published2026-09-14
Last modified2026-09-18
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Description
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.
Weakness classification
- twcert@cert.org.tw: CWE-1256