Privilege escalation in Wellbia Xigncode3
CVE-2026-15430
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.
Vulnerability class: Privilege Escalation
EPSS: 0.002 (10.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Wellbia Xigncode3 — versions 2026.6.1.192
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2026-15430?
- CVE-2026-15430 is a medium-severity vulnerability in Wellbia Xigncode3, classified under Improper Privilege Management. CVSS score: 6.2/10. Published 2026-08-03.
- How severe is CVE-2026-15430?
- Medium severity. CVSS v3 base score is 6.2 out of 10.
- Is CVE-2026-15430 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.