How severe is CVE-2026-108889?

CVE-2026-108889 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2026-108889 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-108889?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-108889 published?

CVE-2026-108889 was published on 2026-10-12 and last updated on 2026-10-14.

CVE-2026-108889

CVE-2026-108889 is a medium-severity vulnerability with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-782.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v2: 3.2
CVSS v4: 1.9
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-782
Published: 2026-10-12
Last modified: 2026-10-14

Description

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.

Frequently asked questions

What is CVE-2026-108889?: 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.
How severe is CVE-2026-108889?: CVE-2026-108889 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2026-108889 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-108889?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-108889 published?: CVE-2026-108889 was published on 2026-10-12 and last updated on 2026-10-14.

References

Other CWE-782 vulnerabilities

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CVE-2026-84408 — High (CVSS 8.8): QND contains an improper access control vulnerability in a named pipe, which may allow a local attacker who is logged…
CVE-2024-33220 — High (CVSS 8.8): An issue in the component AslO3_64.sys of ASUSTeK Computer Inc AISuite3 v3.03.36 3.03.36 allows attackers to escalate…

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