Wellbia XIGNCODE3 Anti-Cheat 10.0.10011.16384 xhunter1.sys IRP_MJ_REITS privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Wellbia XIGNCODE3 Anti-Cheat 10.0.10011.16384. Impacted is the function IRP_MJ_REITS in the library xhunter1.sys. Executing a manipulation can lead to privileges management. This vulnerability is handled as CVE-2026-3609. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in Wellbia XIGNCODE3 Anti-Cheat 10.0.10011.16384 and classified as critical. This vulnerability affects the function IRP_MJ_REITS in the library xhunter1.sys. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

This vulnerability was named CVE-2026-3609 since 03/05/2026. The exploitation appears to be easy. The attack can be initiated remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/06/2026). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔒

ADP CISA Base Score: 5.3
ADP CISA Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/05/2026 CVE reserved
05/11/2026 +66 days Advisory disclosed
05/11/2026 +0 days VulDB entry created
08/06/2026 +87 days VulDB entry last update

Sourcesinfo

Status: Not defined

CNA: certcc
CVE: CVE-2026-3609 (🔒)

GCVE (CVE): GCVE-0-2026-3609
GCVE (VulDB): GCVE-100-362686

Entryinfo

Created: 05/11/2026 20:23
Updated: 08/06/2026 21:22
Changes: 05/11/2026 20:23 (53), 08/06/2026 21:22 (21)
Complete: 🔍
Cache ID: 216::103

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