What is CVE-2026-53407?

CVE-2026-53407 is a high-severity vulnerability in Zoom Workplace, classified under CWE-939. CVSS score: 8.1/10. Published 2026-06-12.

How severe is CVE-2026-53407?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Zoom Workplace

CVE-2026-53407

Improper Authorization in Handler for Custom URL Scheme in Zoom Workplace before version 7.0.4 for Android and before 7.0.3 for iOS may allow an unauthenticated user to conduct an escalation of privilege via network access.

EPSS: 0.002 (14.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Zoom Workplace
Zoom Communications Workplace — versions 0

Weakness classification (CWE)

CWE-939

References

security@zoom.us (Vendor Advisory)

Frequently asked questions

What is CVE-2026-53407?: CVE-2026-53407 is a high-severity vulnerability in Zoom Workplace, classified under CWE-939. CVSS score: 8.1/10. Published 2026-06-12.
How severe is CVE-2026-53407?: High severity. CVSS v3 base score is 8.1 out of 10.