Sources: National Vulnerability Database, CVE.org, CISA KEV, FIRST EPSS
CVE-2026-129261 Overview
A vulnerability was found in Kingston FURY CTRL RGB Control Software up to 2.0.66.0. The impacted element is an unknown function in the library NTIOLib_X64.sys of the component IOCTL Handler. Performing a manipulation results in exposed ioctl with insufficient access control. The attack is only possible with local access.
Critical Impact
Affected Products
- Kingston FURY CTRL RGB Control Software: see the vendor advisory for the exact affected versions
Discovery Timeline
- 2026-11-14: CVE-2026-129261 published to the National Vulnerability Database by cna@vuldb.com
- 2026-11-14: last updated in the NVD database
Technical Details for CVE-2026-129261
Vulnerability Analysis
CVE-2026-129261 is a Security Vulnerability weakness (CWE-782) in Kingston FURY CTRL RGB Control Software. Based on its CVSS vector, the flaw needs local or adjacent access, needs some level of access, and needs no user interaction.
With a CVSS base score of 9.3, apply the vendor fix and confirm exposure on internet facing and business critical assets first.
Root Cause
The vendor description states: A vulnerability was found in Kingston FURY CTRL RGB Control Software up to 2.0.66.0. The impacted element is an unknown function in the library NTIOLib_X64.sys of the component IOCTL Handler. Performing a manipulation results in exposed ioctl with insufficient access control. The attack is only possible with local access.
Attack Vector
Based on the CVSS vector, the flaw needs local or adjacent access, needs some level of access, and needs no user interaction. Attack complexity is low complexity.
No exploitation in the wild is confirmed by CISA at the time of the last update. Check the references below for any vendor or researcher proof of concept.
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Detection Methods for CVE-2026-129261
Detection Strategies
- Inventory every instance of Kingston FURY CTRL RGB Control Software and compare the running version with the affected range above.
- Check external attack surface scans for internet facing instances of the component.
- Run an authenticated vulnerability scan once your scanner ships a check for this CVE.
Monitoring Recommendations
- Forward Kingston FURY CTRL RGB Control Software application, access and audit logs to your SIEM for retrospective hunting.
- Alert on new processes, configuration changes or outbound connections from the affected service.
- Track the vendor advisory and the CISA KEV catalog for changes in exploitation status.
How to Mitigate CVE-2026-129261
Immediate Actions Required
- Apply the fixed version of Kingston FURY CTRL RGB Control Software named in the vendor advisory.
- Prioritize internet facing and business critical instances first.
- Rescan after the change to confirm the exposure is closed.
Patch Information
Use the fixed version listed in the vendor advisory for Kingston FURY CTRL RGB Control Software.
Workarounds
- If patching must wait, restrict network access to the affected service and place it behind authentication or a web application firewall rule.
CWE References
Technical References
This entry is built directly from NVD, CISA KEV and EPSS data. Verify fixed versions in the vendor advisory before you deploy.
Frequently asked questions
Related CVEs
A local low privileged attacker or process can access I/O ports via TcRouter.sys because of exposed IOCTL function calls resulting in a full compromise of the affected devices.
A local low privileged attacker can access arbitrary physical memory or define its mapping via TcRouter.sys because of exposed IOCTL function calls resulting in a full compromise of the affected devices.
A local low privileged attacker can move arbitrary physical memory content via TcRouter.sys because of exposed IOCTL function calls resulting in a full compromise of the affected devices.
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