CVE-2026-30903

CRITICALNVD 9.69.6—

9.6

External Control of File Name or Path in the Mail feature of Zoom Workplace for Windows before 6.6.0 may allow an unauthenticated user to conduct an escalation of privilege via network access.

CVSS v3: 9.6
EG Score: 9.6(medium)
EPSS: 28.0%
KEV: Not listed

Published

March 11, 2026

Last Modified

May 14, 2026

References (1)

security@zoomhttps://www.zoom.com/en/trust/security-bulletin/zsb-26005

Data Freshness Timeline

(refreshed 17× 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
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2026-05-31 00:16 UTCepss_batch
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2026-05-22 21:16 UTCepss_batch

Frequently asked(5)

What is CVE-2026-30903?

CVE-2026-30903 is a critical vulnerability published on March 11, 2026. External Control of File Name or Path in the Mail feature of Zoom Workplace for Windows before 6.6.0 may allow an unauthenticated user to conduct an escalation of privilege via network access.

When was CVE-2026-30903 disclosed?

CVE-2026-30903 was first published in the National Vulnerability Database on March 11, 2026, with the most recent update on May 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-30903 actively exploited?

CVE-2026-30903 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 28.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-30903?

CVE-2026-30903 has a CVSS v3 base score of 9.6 (NVD).

How do I remediate CVE-2026-30903?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-30903, 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.

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CVE-2026-30903

📅 Published

🔄 Last Modified

🔗 References (1)