CVE-2026-15417: Silicon Labs Silabser.sys Driver

Medium severity, CVSS 6.9. EPSS: 0.1% chance of exploitation in the next 30 days.

In the silabser.sys Windows 8 driver for CP210x devices, a local unprivileged user can use incorrect driver settings to cause a kernel crash.

Affected products

• Silicon Labs Silabser.sys Driver: up to and including 6.7.6

Published 2026-09-10. Last modified 2026-09-10.