CVE-2026-96402 Eclipse Foundation CVE debrief

Who should care

Defenders responsible for managing USB device connections and USBX installations should assess exposure and prioritize patching. This includes operators of affected systems, platform administrators, vulnerability management teams, and security teams. They should verify and apply patches for affected USBX installations, implement strict controls on USB device connections, and monitor for suspicious USB device activity

Why it matters

Defenders should care about CVE-2026-96402 because it involves a buffer overflow in the USBX PIMA/MTP host class, potentially leading to information disclosure or application faults when a malicious USB device is connected. The vulnerability requires verification of affected versions and patch application to prevent potential impacts.

• Potential information disclosure through heap content leakage
• Possible application faults due to unmapped page accesses
• Need for verification of affected versions and patch application
• Importance of monitoring for suspicious USB device activity

Technical summary

The USBX PIMA/MTP host class does not properly handle object handle counts reported by devices, leading to a potential buffer overflow and information disclosure. This vulnerability affects USBX installations and requires verification of affected versions and patch application to prevent potential impacts. The vulnerability involves a buffer overflow in the USBX PIMA/MTP host class, potentially leading to information disclosure or application faults.

Defensive priority

Defenders should prioritize verifying and patching affected USBX installations, especially in environments with untrusted USB devices.

Recommended defensive actions

• Verify and apply patches for affected USBX installations
• Implement strict controls on USB device connections
• Monitor for suspicious USB device activity

Evidence notes

The CVE record and source item provide details on the vulnerability, but additional information on exploitation and impact is limited. There is no evidence of public exploitation. The CVE record was published on 2026-10-20T14:31:34.182Z and has not been modified since then. The source item provides details on the vulnerability. The official CVE Program record and NIST NVD detail page offer source-provided CVE metadata and vulnerability assessment.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.