Vulnerability record · CVE-2026-3609 · published 11 May 2026
CVE-2026-3609: Wellbia xigncode3 vulnerability
WWellbia · Xigncode3
Wellbia's XIGNCODE3 xhunter1.sys kernel driver, version 10.0.10011.16384 through 2023.12.7.78, privilege escalation vulnerability provides access to the IRP_MJ_WRITE command interface, which allows any user process to request a PROCESS_ALL_ACCESS. Note: KVE 2023-5589 (https://krcert.or.kr) was initially issued for version 10.0.10011.16384, but the vulnerability was not fully remediated and remains in version 2023.12.7.78.
Description
Wellbia's XIGNCODE3 xhunter1.sys kernel driver, version 10.0.10011.16384 through 2023.12.7.78, privilege escalation vulnerability provides access to the IRP_MJ_WRITE command interface, which allows any user process to request a PROCESS_ALL_ACCESS. Note: KVE 2023-5589 (https://krcert.or.kr) was initially issued for version 10.0.10011.16384, but the vulnerability was not fully remediated and remains in version 2023.12.7.78.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
| Link | Tags |
|---|---|
| https://blacksnufkin.github.io/posts/AntiCheat-LPE-CVE-2026-3609/ | ExploitThird Party Advisory |
| https://blacksnufkin.github.io/posts/Hunting-the-Hunter/ | |
| https://crcert.or.kr | Broken Link |
| https://blacksnufkin.github.io/posts/AntiCheat-LPE-CVE-2026-3609/ | ExploitThird Party Advisory |
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Source: NIST National Vulnerability Database (record CVE-2026-3609), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.