CVE-2026-3609

MEDIUM 5.3

XIGNCODE3 xhunter1.sys kernel driver contains a Privilege Escalation Vulnerability

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

4th

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)

Vendor	wellbia
Product	xigncode3 anti-cheat
Published	May 11, 2026
Last Updated	May 13, 2026

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Affected Versions

Wellbia / XIGNCODE3 Anti-Cheat

10.0.10011.16384

References

NVD ↗ CVE.org ↗ EPSS Data ↗

crcert.or.kr: https://crcert.or.kr blacksnufkin.github.io: https://blacksnufkin.github.io/posts/AntiCheat-LPE-CVE-2026-3609/