CVE-2025-27203: Adobe Connect Desktop Application

Critical severity, CVSS 9.6. EPSS: 1.2% chance of exploitation in the next 30 days.

Adobe Connect versions 24.0 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could lead to arbitrary code execution by an attacker. Exploitation of this issue does require user interaction and scope is changed.

Affected products

• Adobe Connect Desktop Application: before 2025.5.5 (fixed in 2025.5.5)

Published 2025-07-08. Last modified 2026-06-17.