cve 2024 55414

CVE-2024-55414 is a critical kernel-level vulnerability in legacy Motorola Soft Modem drivers (smserl64.sys and smserial.sys) that allows user-level actors to map physical memory via crafted IOCTL calls, leading to privilege escalation. Microsoft addressed this vulnerability in the January cumulative update (KB5074109) by removing the affected drivers from supported Windows releases. This mitigation disables modem hardware dependent on these drivers, forcing IT teams to balance security fixes with operational impact. The tag covers discussion of the vulnerability, the associated update, and the resulting hardware compatibility issues for enterprise environments.