CVE-2026-53420
Received Received - Intake

Buffer Overflow in Zoom Phone Feature

Publication date: 2026-10-13

Last updated on: 2026-10-13

Assigner: Zoom Video Communications, Inc.

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.

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Meta Information

Published
2026-10-13
Last Modified
2026-10-13
Generated
2026-10-13
AI Q&A
2026-10-13
EPSS Evaluated
N/A
NVD
CVE-2026-53420
EUVD
EUVD-2026-98754

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Zoom Communications Zoom Workplace 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-120 The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

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Executive Summary

This vulnerability is a buffer overflow in a Zoom Phone feature of Zoom Workplace Clients. It may allow an unauthenticated user to escalate privileges by gaining network access.

Impact Analysis

An attacker could exploit this to gain higher privileges on your system, potentially accessing sensitive data or taking control of your Zoom Workplace Client.

Mitigation Strategies

Update Zoom Workplace Clients to the latest version immediately to patch the buffer overflow vulnerability in the Zoom Phone feature.

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