Microsoft Patch Tuesday security updates for January 2026 fixed actively exploited zero
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CVE-2024-55414
- CVSS 3.1
- 9.8 critical
- EPSS
- 1%p64
- Published
- ·
- Modified
Description · NVD
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.
- Weakness
- CWE-77
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H