CVE-2026-3609
Received Received - Intake

Privilege Escalation in Wellbia XIGNCODE3 xhunter1.sys Driver

Publication date: 2026-05-11

Last updated on: 2026-05-11

Assigner: CERT/CC

Description
Wellbia's XIGNCODE3 xhunter1.sys kernel driver Privilege Escalation Vulnerability provides access to IRP_MJ_REITS command interface, which allows any user process to request a PROCESS_ALL_ACCESS. Cross reference to KVE 2023-5589 (https://krcert.or.kr)

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Meta Information

Published
2026-05-11
Last Modified
2026-05-11
Generated
2026-07-11
AI Q&A
2026-05-11
EPSS Evaluated
2026-07-09
NVD
CVE-2026-3609
EUVD
EUVD-2026-29110

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
wellbia xigncode3 *

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

The vulnerability in Wellbia's XIGNCODE3 xhunter1.sys kernel driver is a privilege escalation issue. It allows any user process to access the IRP_MJ_REITS command interface, which can be used to request PROCESS_ALL_ACCESS. This means that a non-privileged user process can gain full access rights to other processes.

Impact Analysis

This vulnerability can allow an attacker or malicious user to escalate their privileges on the affected system. By gaining PROCESS_ALL_ACCESS, they can control or manipulate other processes, potentially leading to unauthorized actions, data theft, or system compromise.

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