Yungengxin Cloud Billing 2024.11.28.11 IOCTL Process Termination LWBilling64.sys sub_14000443C Pid exposed ioctl with insufficient access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.2$0-$5k2.45

Summaryinfo

A vulnerability classified as problematic has been found in Yungengxin Cloud Billing 2024.11.28.11. Affected by this issue is the function sub_14000443C in the library LWBilling64.sys of the component IOCTL Process Termination. The manipulation of the argument Pid leads to exposed ioctl with insufficient access control. This vulnerability is documented as CVE-2026-108889. The attack needs to be performed locally. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in Yungengxin Cloud Billing 2024.11.28.11. It has been rated as problematic. This issue affects the function sub_14000443C in the library LWBilling64.sys of the component IOCTL Process Termination. The manipulation of the argument Pid with an unknown input leads to a exposed ioctl with insufficient access control vulnerability. Using CWE to declare the problem leads to CWE-782. The product implements an IOCTL with functionality that should be restricted, but it does not properly enforce access control for the IOCTL. Impacted is integrity, and availability.

The identification of this vulnerability is CVE-2026-108889. The exploitation is known to be easy. An attack has to be approached locally. Technical details as well as a public exploit are known.

It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.4
VulDB Temp Score: 4.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Exposed ioctl with insufficient access control
CWE: CWE-782
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/11/2026 Advisory disclosed
10/11/2026 +0 days VulDB entry created
10/11/2026 +0 days VulDB entry last update

Sourcesinfo

Status: Confirmed

CVE: CVE-2026-108889 (🔒)
GCVE (CVE): GCVE-0-2026-108889
GCVE (VulDB): GCVE-100-416681
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/11/2026 16:00
Changes: 10/11/2026 16:00 (56)
Complete: 🔍
Submitter: Element2023H
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #976082: Yungengxin CLOUD BILLING 2024.11.28.11 Exposed IOCTL with Insufficient Access Control (by Element2023H)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you need the next level of professionalism?

Upgrade your account now!