CVE-2023-28602: Zoom

High severity, CVSS 7.7. EPSS: 0.3% chance of exploitation in the next 30 days.

Zoom for Windows clients prior to 5.13.5 contain an improper verification of cryptographic signature vulnerability. A malicious user may potentially downgrade Zoom Client components to previous versions.

Affected products

• Zoom Zoom: before 5.13.5 (fixed in 5.13.5)

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