What is CVE-2022-28751?

CVE-2022-28751 is a high-severity vulnerability in Zoom Meetings, classified under Improper Verification of Cryptographic Signature. CVSS score: 8.8/10. Published 2022-08-17.

How severe is CVE-2022-28751?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Zoom Meetings

CVE-2022-28751

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.

Published 2022-08-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (2.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Zoom Meetings
Zoom Video Communications Inc Client For Meetings macOS — versions unspecified

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

explore.zoom.us/en/trust/security/security-bulletin/ (Vendor Advisory)

Frequently asked questions

What is CVE-2022-28751?: CVE-2022-28751 is a high-severity vulnerability in Zoom Meetings, classified under Improper Verification of Cryptographic Signature. CVSS score: 8.8/10. Published 2022-08-17.
How severe is CVE-2022-28751?: High severity. CVSS v3 base score is 8.8 out of 10.