TVN ID	TVN-202609007
CVE ID	CVE-2026-90890, CVE-2026-90891
CVSS	【CVE-2026-90890】 6.8 (Medium) CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N 5.5 (Medium) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H 【CVE-2026-90891】 6.8 (Medium) CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N 5.5 (Medium) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products	ASRock Polychrome SYNC/RGB for MB version 1.0.118 and earlier ASRock Polychrome SYNC/RGB for VGA version 2.0.219 and earlier
Description	【CVE-2026-90890(Untrusted Pointer Dereference)】 ASRock Polychrome SYNC/RGB software utility developed by ASRock Inc. has an Untrusted Pointer Dereference vulnerability. Authenticated local attackers can send a specially crafted IOCTL request to cause the driver to dereference an unvalidated pointer, resulting in an operating system crash. 【CVE-2026-90891(Improper Access Control)】 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.
Solution	Update ASRock Polychrome SYNC/RGB for MB to a version later than 1.0.118 Update ASRock Polychrome SYNC/RGB for VGA to a version later than 2.0.219
Public Date	2026-09-14