CVE-2026-90891ASRock｜ASRock Polychrome SYNC/RGB software utility - Improper Access Control
Updated under an hour ago ()
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It affects ASRock Polychrome SYNC/RGB for MB and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
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 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-1256
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- twcert
- NVD analysis
- Deferred
- Record last updated
- Sep 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
ASRock ASRock Polychrome SYNC/RGB for MB asrock:polychrome_sync_rgb_for_mb (from the name) | through 1.0.118 | CNA record |
ASRock ASRock Polychrome SYNC/RGB for VGA asrock:polychrome_sync_rgb_for_vga (from the name) | through 2.0.219 | CNA record |
References
- https://www.twcert.org.tw/tw/cp-132-11205-f6677-1.htmlthird-party-advisory
- https://www.twcert.org.tw/en/cp-139-11204-6b1c6-2.htmlthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.