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Vulnerability record · CVE-2022-22786 · published 18 May 2022

CVE-2022-22786: Zoom meetings download of code without integrity check vulnerability

Zoom · Meetings

The Zoom Client for Meetings for Windows before version 5.10.0 and Zoom Rooms for Conference Room for Windows before version 5.10.0, fails to properly check the installation version during the update process. This issue could be used in a more sophisticated attack to trick a user into downgrading their Zoom client to a less secure version.

8.8 CVSS 3.1 High EPSS 1.5% · top 26.7% CWE-494 · Download of code without integrity check
8.8CVSS 3.1 base score, v2 6.8
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

The Zoom Client for Meetings for Windows before version 5.10.0 and Zoom Rooms for Conference Room for Windows before version 5.10.0, fails to properly check the installation version during the update process. This issue could be used in a more sophisticated attack to trick a user into downgrading their Zoom client to a less secure version.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-24691Zoom meeting software development kit vulnerabilityImproper input validation in Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom Meeting SDK for Windows may allow an unauthentica…EPSS 1.7%9.8CVE-2021-34423Zoom meetings classic buffer overflow vulnerabilityA buffer overflow vulnerability was discovered in Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.8.4, Zoom C…EPSS 3.3%9.8CVE-2021-33907Zoom meetings improper certificate validation vulnerabilityThe 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 …EPSS 3.0%9.6CVE-2022-28763Zoom meetings improper input validation vulnerabilityThe Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.12.2 is susceptible to a URL parsing vulnerability. If a …EPSS 1.2%9.1CVE-2022-22785Zoom meetings reliance on cookies without validation vulnerabilityThe Zoom Client for Meetings (for Android, iOS, Linux, MacOS, and Windows) before version 5.10.0 failed to properly constrain client session cookies …EPSS 3.5%8.8CVE-2025-49457Zoom meeting software development kit untrusted search path vulnerabilityUntrusted search path in certain Zoom Clients for Windows may allow an unauthenticated user to conduct an escalation of privilege via network accessEPSS 0.62%8.8CVE-2025-27439Zoom meeting software development kit vulnerabilityBuffer underflow in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via network access.EPSS 0.43%8.8CVE-2025-27440Zoom meeting software development kit vulnerabilityHeap overflow in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via network access.EPSS 0.44%

Source: NIST National Vulnerability Database (record CVE-2022-22786), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.