CVE-2026-83964: Adobe Connect

High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Adobe Connect is affected by an Improper Certificate Validation vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this issue does not require user interaction.

Affected products

• Adobe Connect: before 12.12 (fixed in 12.12)
• Adobe Connect For Mobile: before 4.5 (fixed in 4.5)

Published 2026-09-22. Last modified 2026-09-26.