CVE-2026-15417 PUBLISHED

CP210x Denial of Service

Assigner: Silabs
Reserved: 10.07.2026 Published: 10.09.2026 Updated: 10.09.2026

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

CVSS 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
CVSS Score: 6.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Vendor	Silicon Labs
Product	silabser.sys driver
Versions	Default: affected affected from 0 to 6.7.6 (incl.)