CVE-2026-108889: Yungengxin Cloud Billing IOCTL Process Termination LWBilling64.sys sub_14000443C exposed ioctl with insufficient access control

A flaw has been found in Yungengxin Cloud Billing 2024.11.28.11. Affected by this vulnerability is the function sub14000443C in the library LWBilling64.sys of the component IOCTL Process Termination. Executing a manipulation of the argument Pid can lead to exposed ioctl with insufficient access control. The attack needs to be launched locally. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.