Read the docs

Exposed IOCTL in Yungengxin Cloud Billing allows process termination

Priority LOW 21CWE-782Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Yungengxin Cloud Billing 2024.11.28.11 is affected through its IOCTL Process Termination component in the LWBilling64.sys library. Manipulating the Pid argument of the function sub_14000443C exposes an ioctl with insufficient access control (CWE-782). A local attacker with low privileges can trigger this, and a public exploit has been published.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

A flaw has been found in Yungengxin Cloud Billing 2024.11.28.11. Affected by this vulnerability is the function sub_14000443C in the library LWBilling64.sys of the component IOCTL Process Termination. Executing a manipulation of the argument Pid can lead to exposed ioctl with insufficient access control. The attack needs to be launched locally. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0012 1st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
YungengxinCloud Billing2024.11.28.11—No fix listedCNA
  • Cloud Billing VendorYungengxin Affected 2024.11.28.11 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:yungengxin:cloud_billing:*:*:*:*:*:*:*:*——Yungengxin
  • cpe:2.3:a:yungengxin:cloud_billing:*:*:*:*:*:*:*:* Versions — — ·Yungengxin

Remediation

The sources list no fixed version for Yungengxin Cloud Billing.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-12 Threatist record created from CVE-2026-108889
  2. 2026-10-12 Alias added: GHSA-wgpj-m7xc-f5q8
  3. 2026-10-15 CISA SSVC decision points changed

References

—

  • TI-2026-70942 Improper privilege management in Yungengxin Yun Jia Security Guard CVSS 4.0MEDIUM 4.8

Sources