Use After Free in Zoom Communications Clients

CVE-2026-53415

Use after Free in the annotator function of Zoom Clients may allow a meeting participant to achieve remote code execution of another participant via network access.

Vulnerability class: Use-After-Free

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (40.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-53415: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: -0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-53415?
CVE-2026-53415 is a high-severity vulnerability in Zoom Communications Clients, classified under Use After Free. CVSS score: 8.3/10. Published 2026-08-11.
How severe is CVE-2026-53415?
High severity. CVSS v3 base score is 8.3 out of 10.