CVE-2026-53410 PUBLISHED

Zoom Clients for Windows - Race Condition

Assigner: Zoom
Reserved: 09.06.2026 Published: 16.07.2026 Updated: 17.07.2026

A time-of-check to time-of-use (TOCTOU) race condition in the installation and uninstallation process of certain Zoom Clients for Windows could allow an authenticated local user to escalate privileges.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 7

Attack Vector	Local	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Zoom Communications
Product	Zoom Clients
Versions	Default: unaffected Version see references is affected

References

https://www.zoom.com/en/trust/security-bulletin/zsb-26012

Problem Types

CWE-367 Time-of-check time-of-use (TOCTOU) race condition CWE