What is GHSA-v64v-vg73-53qc?

GHSA-v64v-vg73-53qc is a security advisory published by GitHub Security Advisories with High severity. Buffer overflow in a Zoom Phone feature of Zoom Workplace Clients may allow an unauthenticated...

Which CVE IDs does GHSA-v64v-vg73-53qc cover?

GHSA-v64v-vg73-53qc covers the following CVE IDs: CVE-2026-53420. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-v64v-vg73-53qc?

GHSA-v64v-vg73-53qc has a CVSS v3 base score of 8.0, published by GitHub Security Advisories.

GHSA-v64v-vg73-53qcHighCVSS 8.0

Buffer overflow in a Zoom Phone feature of Zoom Workplace Clients may allow an unauthenticated...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-53420 →

📋 Description

Buffer overflow in a Zoom Phone feature of Zoom Workplace Clients may allow an unauthenticated user to conduct a escalation of privilege via network access.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-53420
https://www.zoom.com/en/trust/security-bulletin/zsb-26020
https://github.com/advisories/GHSA-v64v-vg73-53qc