An issue in the component RTKVHD64.sys of Realtek Semiconductor Corp Realtek(r) High Definition Audio Function Driver v6.0.9549.1 allows attackers to escalate privileges and execute arbitrary code via sending crafted IOCTL requests.
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.