CVE-2026-3609

What it is

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.

At a glance

Exploitability

Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.

Exploit odds

0.2% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2026-05-11 18:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-10-26 00:10 UTC Last updatedMost recent change to the record

Details

Published

2026-05-11 18:16 UTC

Last modified

2026-10-26 00:10 UTC

Exploit probability

0.2% · EPSS, next 30 days

Record status

Modified

Affected

• Wellbia xigncode3 10.0.10011.16384

Attack profile CVSS 3.1 · 7.8

Attack vector

Local

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High