Vulnerability Details CVE-2026-34659
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.037
EPSS Ranking 88.2%
CVSS Severity
CVSS v3 Score 9.6
Products affected by CVE-2026-34659
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cpe:2.3:a:adobe:connect_desktop_application:*
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cpe:2.3:a:adobe:connect_desktop_application:2025.9.15