CVE-2026-15430 CVE-2026-15430
A local unprivileged attacker can exploit improper access control in the XIGNCODE3 driver to escalate privileges to SYSTEM and extract credentials.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15430?
CVE-2026-15430 is a medium-severity vulnerability in Wellbia XIGNCODE3, published on 3 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
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.
Which versions are affected by CVE-2026-15430?
How do I fix CVE-2026-15430?
No fix has been published for CVE-2026-15430 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-15430 being exploited?
There is no known exploitation of CVE-2026-15430 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-gmfc-jwm3-239r.