CVE-2026-106781

Published Oct 26, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
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.

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
Title Local Privilege Escalation via WCH CH340/CH341 USB‑to‑Serial Driver
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'}

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

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 30, 2026, 5:16 PM
Reserved
Oct 7, 2026, 12:00 AM
Status
Awaiting Analysis
Published
Oct 26, 2026, 3:16 PM
Modified
Oct 30, 2026, 6:17 PM