A vulnerability exits in driver SmSerl64.sys in Motorola SM56 Modem WDM Driver v6.12.23.0, which allows low-privileged users to mapping physical memory via specially crafted IOCTL requests . This can be exploited for privilege escalation, code execution under high privileges, and information disclosure. These signed drivers can also be used to bypass the Microsoft driver-signing policy to deploy malicious code.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Microsoft Windows | — | 2026-01 Cumulative Update for Microsoft Windows Server 2019, version 1809 (KB5073723)2026-01 Cumulative Update for Microsoft Windows Server 2022, version 21H2 (KB5073457)2026-01 Cumulative Update for Microsoft Windows Server 2025, version 24H2 (KB5073379)2026-01 Cumulative Update for Microsoft Windows Server 2008, version SP2 (KB5073700)2026-01 Cumulative Update for Microsoft Windows Server 2008 R2, version SP1 (KB5073695)2026-01 Cumulative Update for Microsoft Windows 10, version 21H2 (KB5073724)2026-01 Cumulative Update for Microsoft Windows 11, version 25H2 (KB5074109)2026-01 Cumulative Update for Microsoft Windows Server 2008 R2, version SP1 (KB5073699)2026-01 Cumulative Update for Microsoft Windows 11, version 23H2 (KB5073455)2026-01 Cumulative Update for Microsoft Windows 10, version 22H2 (KB5073724)2026-01 Cumulative Update for Microsoft Windows 10, version 1809 (KB5073723)2026-01 Cumulative Update for Microsoft Windows Server 2016, version 1607 (KB5073722)2026-01 Cumulative Update for Microsoft Windows Server 2022, version 22H2 (KB5073457)2026-01 Cumulative Update for Microsoft Windows 10, version 1607 (KB5073722)2026-01 Cumulative Update for Microsoft Windows 11, version 24H2 (KB5074109)2026-01 Cumulative Update for Microsoft Windows Server 2012 (KB5073698)2026-01 Cumulative Update for Microsoft Windows Server 2022, version 23H2 (KB5073450)2026-01 Cumulative Update for Microsoft Windows Server 2012 R2 (KB5073696) | Jan 13, 2026 | Jan 13, 2026 |
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