What is CVE-2026-53409?

CVE-2026-53409 is a high-severity vulnerability in Zoom Rooms, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2026-07-16.

How severe is CVE-2026-53409?

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

Improper input validation in Zoom Rooms

CVE-2026-53409

Improper Privilege Management in Zoom Rooms for Windows before version 7.1.0 may allow an authenticated user to conduct an escalation of privilege via local access.

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

EPSS: 0.002 (5.6th 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 Rooms
Zoom Communications Rooms — versions 0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

security@zoom.us (Vendor Advisory)

Frequently asked questions

What is CVE-2026-53409?: CVE-2026-53409 is a high-severity vulnerability in Zoom Rooms, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2026-07-16.
How severe is CVE-2026-53409?: High severity. CVSS v3 base score is 7.8 out of 10.