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.

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History

Sun, 13 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Silicon Labs
Silicon Labs silabser.sys Driver
Vendors & Products Silicon Labs
Silicon Labs silabser.sys Driver

Thu, 10 Sep 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Thu, 10 Sep 2026 17:30:00 +0000

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 leak up to 145 bytes of uninitialized kernel pool memory. This vulnerability affects Windows 10 and earlier.
Title CP210x Memory Leakage
Weaknesses CWE-130
References
Metrics cvssV4_0

{'score': 2.4, 'vector': 'CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: Silabs

Published:

Updated: 2026-09-10T18:21:20.938Z

Reserved: 2026-07-10T14:57:34.331Z

Link: CVE-2026-15418

cve-icon Vulnrichment

Updated: 2026-09-10T18:21:18.086Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-10T18:17:55.450

Modified: 2026-09-10T19:54:25.810

Link: CVE-2026-15418

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-13T20:00:11Z

Weaknesses