CVE-2026-34659CRITICAL 9.6EPSS p45.6%

CVE-2026-34659CVE-2026-34659

Description

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.

Scoring

CVSS 3.19.6 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS0.64% probability of exploitation · percentile 45.6% · 2026-06-19T12:03:05Z
Published2026-05-12
Last modified2026-05-13

Underlying weaknesses· 1

CWE-502

References

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

1

TypeTargetConfidenceTier
WeaknessDeserialization of Untrusted Datacwe-5020%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Adobe ColdFusion Deserialization of Untrusted Data Vulnerability
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.