CVE-2026-15419

CP210x Driver Memory Corruption results in Arbitrary Code Execution

Published Sep 10, 2026 CVSS 4.0 · 7 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Silicon Labs
Silicon Labs silabser.sys Driver
Vendors & Products Silicon Labs
Silicon Labs silabser.sys Driver
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title CP210x Driver Memory Corruption results in Arbitrary Code Execution
Weaknesses CWE-121
References
Metrics cvssV4_0

{'score': 7, 'vector': 'CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Silabs
Published
Updated
Sep 10, 2026, 6:21 PM
Reserved
Jul 10, 2026, 2:57 PM
Status
Awaiting Analysis
Published
Sep 10, 2026, 6:17 PM
Modified
Sep 10, 2026, 7:54 PM