Vulnerability · Published Oct 20, 2026 · Assigned by eclipse
CVE-2026-96402USBX PIMA/MTP host class reads past its receive buffer when a device over-reports its object handle count
Medium 5.2
In plain English
A medium-severity out-of-bounds read in Eclipse ThreadX - USBX from Eclipse Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Severity (CVSS 4.0)5.2Medium
Exploit odds (30 days)0.2%top 91.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Eclipse Foundation | Eclipse ThreadX - USBX | 0 – through 6.5.1.202602 |
Weakness: CWE-125 · 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