CVE-2024-55414
Microsoft · Published January 13, 2026
7.8
CVSS v3.1
HIGHPatch availableGet patch
Description
Windows Motorola Soft Modem Driver Elevation of Privilege Vulnerability. Microsoft is aware of vulnerabilities in the third party Motorola Soft Modem drivers that ships natively with supported Windows operating systems. This is an announcement of the upcoming removal of smserl64.sys and smserial.sys drivers. The drivers have been removed in the January cumulative update. Soft modem hardware dependent on these specific drivers will no longer work on Windows. Microsoft recommends removing any existing dependencies on this hardware.
Affected Products
- Windows 10 Version 1809 for 32-bit Systems
- Windows 10 Version 1809 for x64-based Systems
- Windows Server 2019
- Windows Server 2019 (Server Core installation)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C