What’s Vulnerable › Vulnerabilities

CVE-2023-39204

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-14 · updated 2026-06-17
• Weakness: CWE-120

Description

Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via network access.

Affected products

• Zoom Workplace: before 5.15.10 — fixed in 5.15.10
• Zoom Video Communications, Inc. Zoom Rooms for Windows: before 5.15.10 — fixed in 5.15.10
• Zoom Video Software Development Kit: before 5.15.10 — fixed in 5.15.10
• Zoom Virtual Desktop Infrastructure: before 5.14.13; from 5.15.0 before 5.15.11 — fixed in 5.14.13, 5.15.11
• Zoom Video Communications, Inc. Zoom Desktop Client for Windows: before 5.15.10 — fixed in 5.15.10

How to fix

Upgrade to a fixed version: Zoom Workplace 5.15.10; Zoom Video Communications, Inc. Zoom Rooms for Windows 5.15.10; Zoom Video Software Development Kit 5.15.10; Zoom Virtual Desktop Infrastructure 5.14.13, 5.15.11; Zoom Video Communications, Inc. Zoom Desktop Client for Windows 5.15.10. Check the vendor advisory for mitigations.

References

• https://explore.zoom.us/en/trust/security/security-bulletin/
• https://explore.zoom.us/en/trust/security/security-bulletin/

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