CVE-2026-34659 — Adobe Connect | Deserialization of Untrusted Data (CWE-502)

Description (CNA)

Adobe Connect versions 2025.9.15, 2025.8.157 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. An attacker could exploit this vulnerability to execute arbitrary code. 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.

Affected (CNA)

Vendor / product	Versions
Adobe / Adobe Connect	affected 0 through 12.11; unaffected 12.11.1
Adobe / Adobe Connect Desktop Application	affected 0 through 2025.9.15 (Win), 2025.8.157 (Mac); unaffected 2026.3.125 (Win), 2026.01.39 (Mac)

CWE

CWE-502

References

https://helpx.adobe.com/security/products/connect/apsb26-50.html

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.