What is CVE-2026-53408?

CVE-2026-53408 is a high-severity vulnerability in Zoom Meeting_software_development_kit, classified under CWE-939. CVSS score: 8.1/10. Published 2026-06-12.

How severe is CVE-2026-53408?

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

Vulnerability in Zoom Meeting_software_development_kit

CVE-2026-53408

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 (11.6th 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 Meeting_software_development_kit
Zoom Workplace
Zoom Communications Workplace — versions 0

Weakness classification (CWE)

CWE-939

References

security@zoom.us (Vendor Advisory)

Frequently asked questions

What is CVE-2026-53408?: CVE-2026-53408 is a high-severity vulnerability in Zoom Meeting_software_development_kit, classified under CWE-939. CVSS score: 8.1/10. Published 2026-06-12.
How severe is CVE-2026-53408?: High severity. CVSS v3 base score is 8.1 out of 10.