CVE-2026-27303

Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.

Score

CVSS 3.1 9.6 Critical

Status

Analyzed - psirt@adobe.com

Published

2026-04-14

Last modified

2026-10-26

Weaknesses

CWE-502

Affected products

• Adobe Connect (Adobe)
• Adobe Connect Desktop Application (Adobe)
• Connect (Adobe)
• Connect Desktop Application (Adobe)

References

• https://helpx.adobe.com/security/products/connect/apsb26-37.html