CVE-2026-15430 PUBLISHED

Improper access control in the IRP_MJ_WRITE command interface in Wellbia XIGNCODE3 xhunter2.sys, version 2026.6.1.192, allows a local, unprivileged attacker to achieve local privilege escalation to NT AUTHORITY\SYSTEM, extract credentials from PPL-protected lsass.exe, and terminate PPL-protected security processes.

• https://blacksnufkin.github.io/posts/Hunting-the-Hunter-II/

• CWE-284 Improper Access Control
• CWE-269 Improper Privilege Management
• CWE-732 Incorrect Permission Assignment for Critical Resource