CVE-2026-15417: CP210x Denial of Service
Published Sep 10, 2026
·Updated
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 Software
1 affected component
Silabs silabser.sys
Event History
Sep 10, 2026
CVE Published
via MITRE·05:13 PM
Data Sourced
via MITRE·05:13 PM
DescriptionWeakness
Frequently Asked Questions
1
Who is exposed to this issue?
Systems using the silabser.sys Windows 8 driver for CP210x devices are exposed. Exploitation requires local access by an unprivileged user.
2
What does an attacker need to do to trigger the issue?
The attacker needs to use incorrect driver settings. The resulting divide-by-zero condition can crash the kernel, causing a denial of service.