CVE-2026-3609 — HIGH (7.8) — White Hats Nepal

Vulnerability Description

Wellbia's XIGNCODE3 xhunter1.sys kernel driver Privilege Escalation Vulnerability provides access to IRP_MJ_REITS command interface, which allows any user process to request a PROCESS_ALL_ACCESS. Cross reference to KVE 2023-5589 (https://krcert.or.kr)

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Wellbia	Xigncode3	10.0.10011.16384

References

https://blacksnufkin.github.io/posts/AntiCheat-LPE-CVE-2026-3609/ExploitThird Party Advisory
https://crcert.or.krBroken Link
https://blacksnufkin.github.io/posts/AntiCheat-LPE-CVE-2026-3609/ExploitThird Party Advisory

FAQ

What is CVE-2026-3609?

CVE-2026-3609 is a vulnerability with a CVSS score of 7.8 (HIGH). Wellbia's XIGNCODE3 xhunter1.sys kernel driver Privilege Escalation Vulnerability provides access to IRP_MJ_REITS command interface, which allows any user process to request a PROCESS_ALL_ACCESS. Cro...

How severe is CVE-2026-3609?

CVE-2026-3609 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-3609?

Check the references section above for vendor advisories and patch information. Affected products include: Wellbia Xigncode3.