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.
Published: 2026-09-14
Score: 6.8 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor 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

Tracking

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Advisories

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History

Mon, 14 Sep 2026 10:45:00 +0000

Type Values Removed Values Added
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.
Title ASRock｜ASRock Polychrome SYNC/RGB software utility - Improper Access Control
Weaknesses CWE-1256
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.8, 'vector': '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'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: twcert

Published:

Updated: 2026-09-14T10:37:57.962Z

Reserved: 2026-09-14T08:55:02.582Z

Link: CVE-2026-90891

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-1256

    Improper Restriction of Software Interfaces to Hardware Features