CVE-2026-15430 — MEDIUM (6.2)

Vulnerability Description

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.

CVSS Score

6.2

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-284 CWE-269 CWE-732

References

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

FAQ

What is CVE-2026-15430?

CVE-2026-15430 is a vulnerability with a CVSS score of 6.2 (MEDIUM). 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 ...

How severe is CVE-2026-15430?

CVE-2026-15430 has been rated MEDIUM with a CVSS base score of 6.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-15430?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.