What is CVE-2023-39216?

CVE-2023-39216 is a critical-severity vulnerability in Zoom, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 9.6/10. Published 2023-08-08.

How severe is CVE-2023-39216?

Critical severity. CVSS v3 base score is 9.6 out of 10.

XSS in Zoom

CVE-2023-39216

Improper input validation in Zoom Desktop Client for Windows before 5.14.7 may allow an unauthenticated user to enable an escalation of privilege via network access.

Published 2023-08-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (67.7th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Zoom
Zoom Video Communications, Inc. Desktop Client For Windows — versions before 5.14.7

Weakness classification (CWE)

CWE-80 — Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

References

explore.zoom.us/en/trust/security/security-bulletin/ (Vendor Advisory)

Frequently asked questions

What is CVE-2023-39216?: CVE-2023-39216 is a critical-severity vulnerability in Zoom, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 9.6/10. Published 2023-08-08.
How severe is CVE-2023-39216?: Critical severity. CVSS v3 base score is 9.6 out of 10.