Vulnerability · Published Aug 3, 2026 · Assigned by certcc

CVE-2026-15430CVE-2026-15430

Medium 6.2

In plain English

A medium-severity incorrect permission assignment in XIGNCODE3 from Wellbia. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 4% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)6.2Medium

Exploit odds (30 days)0.2%top 95.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack tooling1Public PoC

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Wellbia	XIGNCODE3	2026.6.1.192

Weakness: CWE-732, CWE-269, CWE-284 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

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