CVE-2026-96402

USBX PIMA/MTP host class reads past its receive buffer when a device over-reports its object handle count

Published Oct 20, 2026 CVSS 4.0 · 5.2 Medium EPSS < 1% KEV · Not listed
Description
A malicious USB MTP/PTP device can cause the USBX host to read past a heap buffer during ordinary object enumeration, leaking adjacent heap contents to the application or faulting on an unmapped page.

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 Eclipse
Eclipse threadx Usbx
Vendors & Products Eclipse
Eclipse threadx Usbx
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description A malicious USB MTP/PTP device can cause the USBX host to read past a heap buffer during ordinary object enumeration, leaking adjacent heap contents to the application or faulting on an unmapped page.
Title USBX PIMA/MTP host class reads past its receive buffer when a device over-reports its object handle count
Weaknesses CWE-125
References
Metrics cvssV4_0

{'score': 5.2, 'vector': 'CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
eclipse
Published
Updated
Oct 20, 2026, 3:36 PM
Reserved
Sep 23, 2026, 1:43 PM
Status
Awaiting Analysis
Published
Oct 20, 2026, 3:17 PM
Modified
Oct 20, 2026, 7:48 PM