CVE-2026-15418

low

Description

In the silabser.sys driver for CP210x devices v11.5.0 and earlier, a local unprivileged user with a malicious device can use malformed packets to leak up to 145 bytes of uninitialized kernel pool memory. This vulnerability affects Windows 10 and earlier.

References

https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm0000100HA6IAM?operationContext=S1

Details

Source: Mitre, NVD

Published: 2026-09-10

Updated: 2026-09-10

Risk Information

CVSS v2

Base Score: 5.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 7.1

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

Severity: High

CVSS v4

Base Score: 2.4

Vector: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Severity: Low

EPSS

EPSS: 0.00154