Is CVE-2026-40004 in the CISA KEV catalog?

No. CVE-2026-40004 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-40004?

CVE-2026-40004 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2026-40004?

CVE-2026-40004 has an EPSS score of 0.14% (4th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-40004?

Upgrade zxcloud irai to 7.25.43 or later.

CVE & CISA-KEV Catalog

CVE-2026-40004

MEDIUM

5.5

CVSS v3

NVD

Description

There exists an openssl.cnf privilege escalation vulnerability in ZTE Cloud PC client uSmartview. An attacker can execute arbitrary code locally and escalate privileges.

CWE-427

How to fix

Remediation Available

zxcloud iraiNVD

Affected:>= 7.23.20, < 7.25.43Fixed in:7.25.43CVE-2026-40004derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorPhysical

Attack ComplexityHigh

Privileges RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N

Exploit Intelligence

0.14%probability of exploitation in 30 days

4thpercentile

Low risk: more likely to be exploited than 4% of all known CVEs.

References

Vendor Advisory1

support.zte.com.cn

Embed a live status badge for CVE-2026-40004

Markdown

[![CVE-2026-40004](https://tridentstack.com/cve/badge/CVE-2026-40004.svg)](https://tridentstack.com/cve/CVE-2026-40004)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-40004"><img src="https://tridentstack.com/cve/badge/CVE-2026-40004.svg" alt="CVE-2026-40004"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.