# CVE-2025-30666: Zoom Workplace Apps for Windows - NULL Pointer Dereference

CVE-2025-30666 is fixed in Zoom Rooms on 1 platform by Zoom Rooms 6.4.0 (version 6.4.0), released March 21, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-30666
- Priority: Routine
- CVSS: 6.5
- EPSS: 0.0055
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 14, 2025
- Weakness: CWE-476: NULL Pointer Dereference
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-30666

## Description

NULL pointer dereference in some Zoom Workplace Apps for Windows may allow an authenticated user to conduct a denial of service via network access.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Zoom Rooms | 6.4.0 | [Zoom Rooms 6.4.0](https://patchblox.com/security/data/fix/windows-app/zoom.zoomrooms-6.4.0.md) | Mar 21, 2025 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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