CVE-2026-53420

Published: Oct 13, 2026Modified: Oct 14, 2026

8.0

Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H

Exploitability: 1.3 / Impact: 6.0

Source: security@zoom.us (Secondary)

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.

Related CWEs

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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, leading to a buffer overflow.

References (1)

https://www.zoom.com/en/trust/security-bulletin/zsb-26020

Source: security@zoom.us

Timeline

No history available yet.