TI-2026-12985 Aliases CVE-2026-15430 GHSA-gmfc-jwm3-239r

Improper privilege management in Wellbia XIGNCODE3

LOW 27CWE-269Published 2026-08-03 · Updated 2026-08-03

Key facts

Attack vector: Local
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Privilege escalation, Security bypass
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-269 and CWE-284.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00153 4th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Wellbia	XIGNCODE3	2026.6.1.192	—	No fix listed	CNA

XIGNCODE3 VendorWellbia Affected 2026.6.1.192 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-15430
2026-10-03 Alias added: GHSA-gmfc-jwm3-239r

References

Other 1

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

TI-2026-03113 XIGNCODE3 xhunter1.sys kernel driver contains a Privilege Escalation Vulnerability CVSS 3.1HIGH 7.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences