CVE-2021-33907

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

The Zoom Client for Meetings for Windows in all versions before 5.3.0 fails to properly validate the certificate information used to sign .msi files when performing an update of the client. This could lead to remote code execution in an elevated privileged context.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Sep 27, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-33907: Critical severity, CVSS 9.8 | Vulnix