CVE-2022-28751: Local Privilege Escalation in Zoom Client for Meetings for MacOS

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-08-17 · updated 2026-06-17
Weakness: CWE-347

Description

The Zoom Client for Meetings for MacOS (Standard and for IT Admin) before version 5.11.3 contains a vulnerability in the package signature validation during the update process. A local low-privileged user could exploit this vulnerability to escalate their privileges to root.

Affected products

Zoom Workplace: before 5.11.3 — fixed in 5.11.3

How to fix

Upgrade to a fixed version: Zoom Workplace 5.11.3. Check the vendor advisory for mitigations.

References

https://explore.zoom.us/en/trust/security/security-bulletin/
https://explore.zoom.us/en/trust/security/security-bulletin/

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