What is CVE-2026-30901?

CVE-2026-30901 is a high-severity vulnerability in Zoom Rooms, classified under Improper Input Validation. CVSS score: 7.0/10. Published 2026-03-11.

How severe is CVE-2026-30901?

High severity. CVSS v3 base score is 7.0 out of 10.

Improper input validation in Zoom Rooms

CVE-2026-30901

Improper Input Validation in Zoom Rooms for Windows before 6.6.5 in Kiosk Mode may allow an authenticated user to conduct an escalation of privilege via local access.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2026-03-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (3.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Zoom Rooms
Zoom Communications Inc. Rooms — versions 0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.zoom.com/en/trust/security-bulletin/zsb-26003 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-30901?: CVE-2026-30901 is a high-severity vulnerability in Zoom Rooms, classified under Improper Input Validation. CVSS score: 7.0/10. Published 2026-03-11.
How severe is CVE-2026-30901?: High severity. CVSS v3 base score is 7.0 out of 10.