CVE-2021-36923
RtsUpx.sys in Realtek RtsUpx USB Utility Driver for Camera/Hub/Audio through 1.14.0.0 allows local low-privileged users to achieve unauthorized access to USB device privileged IN and OUT instructions (leading to Escalation of Privileges, Denial of Service, Code Execution, and Information Disclosure) via a crafted Device IO Control packet to a device.
Date published : 2021-11-02
https://www.realtek.com/images/safe-report/Realtek_RtsUpx_Security_Advisory_Report.pdf