9.6criticalCritical

CVE-2026-34659

Adobe Connect Desktop Application

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.

Exploitation status

  • A vendor advisory or patch reference has been published.

What the metrics mean

  • It is reachable over a network, without needing local access.
  • For an attacker who can reach it, no special conditions are needed to exploit it.
  • To exploit it, no account is needed.
  • Beyond that, someone has to be persuaded to take an action first.

Scoring

CVSS
9.6 (v3.1)
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Weakness
CWE-502
Assigned by
psirt@adobe.com

Dates

Published
2026-05-12
Last modified
2026-08-28
Sources
NVD

Affected products

  • Adobe Connect Desktop Application- 2025.8.157, 2025.9.15

As listed in the NVD configuration data. Not a statement about your estate.

References