CVE-2026-90891
mediumASRock Polychrome SYNC/RGB software utility developed by ASRock Inc.
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.
CVSS
5.5
5.5 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (twcert@cert.org.tw)
Timeline (UTC)
Published: 2026-09-14 11:17
Modified: 2026-09-18 19:15
NVD status: Deferred
Last synced 1 day ago
Verified against the source API 2026-10-27 06:52 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://www.twcert.org.tw/en/cp-139-11204-6b1c6-2.html twcert@cert.org.tw
- https://www.twcert.org.tw/tw/cp-132-11205-f6677-1.html twcert@cert.org.tw
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:52 UTC · record ↗