CVE-2014-8823

CVE-2014-8823 is a local privilege escalation vulnerability affecting Apple OS X before version 10.10.2, specifically within the IOUSBFamily component. It allows a local attacker with root access to read data from arbitrary kernel-memory locations by providing a crafted argument to the IOUSBControllerUserClient::ReadRegister function. While the CVSS score is 4.7, indicating medium severity with low attack complexity and high confidentiality impact, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.