Zoom Apps - Heap-based Buffer Overflow
Priority MEDIUM 40CWE-124Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Heap overflow in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via network access.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00448 39th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 Workplace Apps | See references. | — | No fix listed | CNA |
- Zoom Workplace Apps VendorZoom Video Communications, Inc. Affected See references. Fixed in — No fix listed CNA
CPE configurations NVD · 19
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:android:*:* | before 6.3.0 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:iphone_os:*:* | before 6.3.0 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:linux:*:* | before 6.3.0 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:macos:*:* | before 6.3.0 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:windows:*:* | before 6.3.0 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:rooms:*:*:*:*:*:android:*:* | before 6.3.0 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:rooms:*:*:*:*:*:ipados:*:* | before 6.3.0 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:rooms:*:*:*:*:*:macos:*:* | before 6.3.0 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:rooms:*:*:*:*:*:windows:*:* | before 6.3.0 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:rooms_controller:*:*:*:*:*:android:*:* | before 6.3.0 | Vulnerable | Zoom Video Communications, Inc. |
- cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:android:*:* Versions before 6.3.0 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:iphone_os:*:* Versions before 6.3.0 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:linux:*:* Versions before 6.3.0 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:macos:*:* Versions before 6.3.0 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:windows:*:* Versions before 6.3.0 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:rooms:*:*:*:*:*:android:*:* Versions before 6.3.0 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:rooms:*:*:*:*:*:ipados:*:* Versions before 6.3.0 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:rooms:*:*:*:*:*:macos:*:* Versions before 6.3.0 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:rooms:*:*:*:*:*:windows:*:* Versions before 6.3.0 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:rooms_controller:*:*:*:*:*:android:*:* Versions before 6.3.0 Vulnerable ·Zoom Video Communications, Inc.
Show 9 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:zoom:rooms_controller:*:*:*:*:*:linux:*:* | before 6.3.0 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:rooms_controller:*:*:*:*:*:macos:*:* | before 6.3.0 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:rooms_controller:*:*:*:*:*:windows:*:* | before 6.3.0 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:workplace:*:*:*:*:*:android:*:* | before 6.3.0 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:workplace:*:*:*:*:*:iphone_os:*:* | before 6.3.0 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:workplace_desktop:*:*:*:*:*:linux:*:* | before 6.3.0 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:workplace_desktop:*:*:*:*:*:macos:*:* | before 6.3.0 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:workplace_desktop:*:*:*:*:*:windows:*:* | before 6.3.0 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:workplace_virtual_desktop_infrastructure:*:*:*:*:*:windows:*:* | before 6.1.16; 6.1.17 to before 6.2.12 | Vulnerable | Zoom Video Communications, Inc. |
- cpe:2.3:a:zoom:rooms_controller:*:*:*:*:*:linux:*:* Versions before 6.3.0 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:rooms_controller:*:*:*:*:*:macos:*:* Versions before 6.3.0 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:rooms_controller:*:*:*:*:*:windows:*:* Versions before 6.3.0 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:workplace:*:*:*:*:*:android:*:* Versions before 6.3.0 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:workplace:*:*:*:*:*:iphone_os:*:* Versions before 6.3.0 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:workplace_desktop:*:*:*:*:*:linux:*:* Versions before 6.3.0 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:workplace_desktop:*:*:*:*:*:macos:*:* Versions before 6.3.0 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:workplace_desktop:*:*:*:*:*:windows:*:* Versions before 6.3.0 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:workplace_virtual_desktop_infrastructure:*:*:*:*:*:windows:*:* Versions before 6.1.16; 6.1.17 to before 6.2.12 Vulnerable ·Zoom Video Communications, Inc.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-27440
- 2026-10-03 Alias added: GHSA-542w-vqgj-322r
References
More Zoom Video Communications, Inc. Meeting Software Development Kit 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-2025-00112 Zoom Workplace App for Linux - Type Confusion CVSS 3.1CRITICAL 9.8
- TI-2025-40081 Zoom Workplace for Android - Improper Authorization Handling CVSS 3.1CRITICAL 9.8
- TI-2025-38730 Zoom Workplace Clients - Inefficient Regular Expression Complexity CVSS 3.1CRITICAL 9.8
- TI-2023-23333 Untrusted search path in Zoom Desktop Client for Windows, Zoom VDI Client for Windows and… CVSS 3.1HIGH 8.8
Sources
- CVE-2025-27440 · CVE Program
- CVE-2025-27440 · NVD
- FIRST EPSS
- GHSA-542w-vqgj-322r · GitHub Advisory Database · CC BY 4.0
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