CVE-2026-40004

MEDIUMNVD 5.55.5—

5.5

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

CVSS v3: 5.5
EG Score: 5.5(high)
EPSS: 0.3%
KEV: Not listed

Published

May 7, 2026

Last Modified

May 13, 2026

Advisory Details (1)

Auto-updated May 7, 2026

No patch confirmed yet.

generic

ZTE Corporation

https://support.zte.com.cn/zte-iccp-isupport-webui/bulletin/detail/3126272076755775573

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-427Uncontrolled Search Path Element

Data Freshness Timeline

(refreshed 16× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 13:59 UTCEG score recompute
2026-05-20 13:59 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-40004?

CVE-2026-40004 is a medium vulnerability published on May 7, 2026. There exists an openssl.cnf privilege escalation vulnerability in ZTE Cloud PC client uSmartview. An attacker can execute arbitrary code locally and escalate privileges.

When was CVE-2026-40004 disclosed?

CVE-2026-40004 was first published in the National Vulnerability Database on May 7, 2026, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-40004 actively exploited?

CVE-2026-40004 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

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

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

How do I remediate CVE-2026-40004?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-40004, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-40004

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

ZTE Corporation

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-40004?

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Frequently asked(5)

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