What is CVE-2026-30900?

CVE-2026-30900 is a high-severity vulnerability in Zoom Meeting_software_development_kit, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 7.8/10. Published 2026-03-11.

How severe is CVE-2026-30900?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Zoom Meeting_software_development_kit

CVE-2026-30900

Improper Check of minimum version in update functionality of certain Zoom Clients for Windows may allow an authenticated user to conduct an escalation of privilege via local access.

EPSS: 0.000 (5.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Zoom Meeting_software_development_kit
Zoom Workplace_desktop
Zoom Workplace_virtual_desktop_infrastructure
Zoom Communications Inc. Workplace — versions 6.6.0

Weakness classification (CWE)

CWE-754 — Improper Check for Unusual or Exceptional Conditions

References

security@zoom.us (Vendor Advisory)

Frequently asked questions

What is CVE-2026-30900?: CVE-2026-30900 is a high-severity vulnerability in Zoom Meeting_software_development_kit, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 7.8/10. Published 2026-03-11.
How severe is CVE-2026-30900?: High severity. CVSS v3 base score is 7.8 out of 10.