Zoom Rooms for Windows - Improper Input Validation
Priority LOW 35CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Improper Input Validation in Zoom Rooms for Windows before 6.6.5 in Kiosk Mode may allow an authenticated user to conduct an escalation of privilege via local access.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00133 2nd percentileScored 2026-11-07
Fix Fixed Zoom Rooms (Zoom Communications Inc.): 6.6.5
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Zoom Video Communications, Inc. | Zoom Rooms | before 6.6.5 | 6.6.5 | Patch available | CNA |
- Zoom Rooms VendorZoom Video Communications, Inc. Affected before 6.6.5 Fixed in 6.6.5 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:zoom:rooms:*:*:*:*:*:windows:*:* | before 6.6.5 | Vulnerable | Zoom Video Communications, Inc. |
- cpe:2.3:a:zoom:rooms:*:*:*:*:*:windows:*:* Versions before 6.6.5 Vulnerable ·Zoom Video Communications, Inc.
Remediation
- Fix · CNA Zoom Rooms (Zoom Communications Inc.) Fixed in 6.6.5
Timeline
- 2026-10-02 Threatist record created from CVE-2026-30901
- 2026-10-03 Alias added: GHSA-3229-88qj-9grw
References
More Zoom Video Communications, Inc. Rooms vulnerabilities
- TI-2024-16222 Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom Meeting SDK for… CVSS 3.1CRITICAL 9.8
- TI-2025-31505 Zoom Clients for Windows - Untrusted Search Path CVSS 3.1CRITICAL 9.6
- TI-2022-07035 Update package downgrade in Zoom Client for Meetings for Windows CVSS 3.1HIGH 8.8
- TI-2024-30470 Zoom Apps - Buffer Overflow CVSS 3.1HIGH 8.8
- TI-2022-17145 Local Privilege Escalation in Zoom Rooms for Windows Installers CVSS 3.1HIGH 8.8
- TI-2025-20275 Zoom Apps - Heap-based Buffer Overflow CVSS 3.1HIGH 8.8
Sources
- CVE-2026-30901 · CVE Program
- CVE-2026-30901 · NVD
- FIRST EPSS
- GHSA-3229-88qj-9grw · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences