CVE-2024-55414

9.8 criticalEPSS 1.1%

Critical (9.8). EPSS 1.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-31)
CWE: CWE-77
Published: 2025-01-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://github.com/heyheysky/vulnerable-driver/blob/master/CVE-2024-55414/CVE-2024-55414_SmSerl64.sys_README.md
https://us.motorola.com/

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