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CVE-2026-15417

CP210x Denial of Service

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 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Silicon Labs
Products
Silabser.sys Driver
CVE-2026-15418

CP210x Memory Leakage

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.

CVSS 4.0 · 2.4 Low EPSS < 1% KEV · Not listed
Vendors
Silicon Labs
Products
Silabser.sys Driver
CVE-2026-15419

CP210x Driver Memory Corruption results in Arbitrary Code Execution

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 corrupt kernel pool memory, resulting in arbitrary code execution with escalated privileges.

CVSS 4.0 · 7 High EPSS < 1% KEV · Not listed
Vendors
Silicon Labs
Products
Silabser.sys Driver