Medium severity5.5NVD Advisory· Published Sep 14, 2026· Updated Sep 14, 2026

CVE-2026-90891

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.

Affected products

ASRock/Polychrome SYNC/RGBllm-fuzzy

Patches

Vulnerability mechanics

References

www.twcert.org.tw/en/cp-139-11204-6b1c6-2.htmlnvd
www.twcert.org.tw/tw/cp-132-11205-f6677-1.htmlnvd

News mentions

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