Improper input validation in Zoom Desktop Client for Windows
Priority LOW 31CWE-449Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Improper input validation in Zoom Desktop Client for Windows before 5.15.5 may allow an authenticated user to enable an information disclosure via network access.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00962 61st percentileScored 2026-11-07
Fix Fixed Zoom Desktop Client for Windows (Zoom Video Communications, Inc.): 5.15.5
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 Desktop Client for Windows | before 5.15.5 | 5.15.5 | Patch available | CNA |
- Zoom Desktop Client for Windows VendorZoom Video Communications, Inc. Affected before 5.15.5 Fixed in 5.15.5 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:zoom:zoom:*:*:*:*:*:windows:*:* | before 5.15.5 | Vulnerable | Zoom Video Communications, Inc. |
- cpe:2.3:a:zoom:zoom:*:*:*:*:*:windows:*:* Versions before 5.15.5 Vulnerable ·Zoom Video Communications, Inc.
Remediation
- Fix · CNA Zoom Desktop Client for Windows (Zoom Video Communications, Inc.) Fixed in 5.15.5
Timeline
- 2026-10-02 Threatist record created from CVE-2023-39209
- 2026-10-03 Alias added: GHSA-445x-hw57-f2q2
References
More Zoom Video Communications, Inc. Zoom vulnerabilities
- TI-2017-11048 The ZoomLauncher binary in the Zoom client for Linux before 2.0.115900.1201 does not… CVSS 3.1HIGH 8.8
- TI-2017-11047 Stack-based buffer overflow in the ZoomLauncher binary in the Zoom client for Linux… CVSS 3.1HIGH 8.8
- TI-2020-04976 Path traversal in Zoom CVSS 3.1CRITICAL 9.8
- TI-2018-11203 Authentication bypass by spoofing in Zoom CVSS 3.0CRITICAL 9.8
- TI-2024-16222 Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom Meeting SDK for… CVSS 3.1CRITICAL 9.8
- TI-2023-20371 Injection in Zoom Desktop Client for Windows and Zoom VDI Client CVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-39209 · CVE Program
- CVE-2023-39209 · NVD
- FIRST EPSS
- GHSA-445x-hw57-f2q2 · GitHub Advisory Database · CC BY 4.0
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