ASRock|ASRock Polychrome SYNC/RGB software utility - Improper Access Control
Priority LOW 29CWE-1256Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00125 2nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-90891
- 2026-10-03 Alias added: GHSA-g9vq-5jvw-3c63
References
More ASRock vulnerabilities
- TI-2020-12115 AsrDrv103.sys in the ASRock RGB Driver does not properly restrict access from user space… CVSS 3.1MEDIUM 6.1
- TI-2020-10996 ASRock 4x4 BOX-R1000 before BIOS P1.40 allows privilege escalation via code execution in the SMM. CVSS 3.1CRITICAL 9.8
- TI-2018-07578 The AsrDrv101.sys and AsrDrv102.sys low-level drivers in ASRock RGBLED before v1.0.35.1… CVSS 3.0HIGH 7.8
- TI-2018-07577 The AsrDrv101.sys and AsrDrv102.sys low-level drivers in ASRock RGBLED before v1.0.35.1… CVSS 3.0HIGH 7.8
- TI-2018-07575 The AsrDrv101.sys and AsrDrv102.sys low-level drivers in ASRock RGBLED before v1.0.35.1… CVSS 3.0HIGH 7.8
- TI-2025-13067 ASRock, ASRockRack, ASRockInd|Motherboard - Protection Mechanism Failure CVSS 4.0HIGH 7.0
Sources
- CVE-2026-90891 · CVE Program
- CVE-2026-90891 · NVD
- FIRST EPSS
- GHSA-g9vq-5jvw-3c63 · GitHub Advisory Database · CC BY 4.0
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