Description
An issue in WCH CH340/CH341 USB-to-Serial Windows Driver setup package CH341SER.EXE version 4.0 allows a local attacker to escalate privileges.
Published: 2026-10-26
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

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History

Fri, 30 Oct 2026 21:30:00 +0100

Type Values Removed Values Added
Title Local Privilege Escalation via WCH CH340/CH341 USB‑to‑Serial Driver

Fri, 30 Oct 2026 19:30:00 +0100

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 26 Oct 2026 18:00:00 +0100

Type Values Removed Values Added
Title Local Privilege Escalation via WCH CH340/CH341 USB‑to‑Serial Driver
Weaknesses CWE-269

Mon, 26 Oct 2026 16:00:00 +0100

Type Values Removed Values Added
Description An issue in WCH CH340/CH341 USB-to-Serial Windows Driver setup package CH341SER.EXE version 4.0 allows a local attacker to escalate privileges.
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-10-30T17:16:20.207Z

Reserved: 2026-10-07T00:00:00.000Z

Link: CVE-2026-106781

cve-icon Vulnrichment

Updated: 2026-10-30T16:46:35.360Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-26T15:16:35.137

Modified: 2026-10-30T18:17:17.497

Link: CVE-2026-106781

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-30T21:15:17Z

Weaknesses