CVE-2026-53420

HighCVSS 8.0/10Last modified Oct 14, 2026

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.

Metrics

CVSS 3.1 8.0/10CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Oct 13, 2026
Last modified
Oct 14, 2026
NVD status
Awaiting Analysis

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CVE-2026-53420: High severity, CVSS 8.0 | Vulnix