CVE-2023-49646: Zoom Meeting Software Development Kit

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Improper authentication in some Zoom clients before version 5.16.5 may allow an authenticated user to conduct a denial of service via network access.

Affected products

• Zoom Meeting Software Development Kit: before 5.16.5 (fixed in 5.16.5)
• Zoom Video Software Development Kit: before 5.16.5 (fixed in 5.16.5)
• Zoom Virtual Desktop Infrastructure: before 5.14.14 (fixed in 5.14.14); from 5.15.0, before 5.15.12 (fixed in 5.15.12)
• Zoom Zoom: before 5.16.5 (fixed in 5.16.5)

Published 2023-12-13. Last modified 2026-06-17.