Vulnerability · Published Sep 10, 2026 · Assigned by Silabs
CVE-2026-15417CP210x Denial of Service
Medium 6.9
In plain English
A medium-severity security flaw in silabser.sys driver from Silicon Labs. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
Severity (CVSS 4.0)6.9Medium
Exploit odds (30 days)0.2%top 94.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Silicon Labs | silabser.sys driver | 0 – through 6.7.6 |
Weakness: CWE-369 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
References
- https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm0000100HA6IAM?operationContext=S1 vendor-advisory, permissions-required