CVE-2026-34659

EUVD-2026-29740
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
adobeCNA
9.6 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 45%
Affected Products (NVD)
VendorProductVersion
adobeconnect_desktop_application
𝑥
≤ 2025.8.157
adobeconnect_desktop_application
2025.9.15
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
adobeconnect
𝑥
≤ 2025.8.157
CNA
Common Weakness Enumeration
References
https://helpx.adobe.com/security/products/connect/apsb26-50.html