CVE-2017-9769: Razer Synapse

Critical severity, CVSS 9.8. EPSS: 85.5% chance of exploitation in the next 30 days.

A specially crafted IOCTL can be issued to the rzpnk.sys driver in Razer Synapse 2.20.15.1104 that is forwarded to ZwOpenProcess allowing a handle to be opened to an arbitrary process.

Affected products

• Razer Synapse: version 2.20.15.1104 only

Published 2017-08-02. Last modified 2026-06-17.