CVE-2026-34659
Adobe Connect | Deserialization of Untrusted Data (CWE-502)
CRITICAL 9.6
At a glance
- Source
- NVD
- EPSS
- EPSS 0.64 % · percentile 50 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- adobe
- NVD status
- Analyzed
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.
Weaknesses (CWE)
- CWE-502 — Deserialization of Untrusted Data
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H | adobe |
| CVSS 3.1 | CRITICAL 9.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H | NVD · psirt@adobe.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-29740
- GCVE · GCVE-0-2026-34659
Affected configurations (NVD CPE)
cpe:2.3:a:adobe:connect_desktop_application:*:*:*:*:*:macos:*:*≤ 2025.8.157cpe:2.3:a:adobe:connect_desktop_application:2025.9.15:*:*:*:*:windows:*:*
Affected products
| Product | Versions |
|---|---|
| Adobe · Adobe Connect | affected 0 ≤ 12.11 ; unaffected 12.11.1 |
| Adobe · Adobe Connect Desktop Application | affected 0 ≤ 2025.9.15 (Win), 2025.8.157 (Mac) ; unaffected 2026.3.125 (Win), 2026.01.39 (Mac) |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |