CVE-2026-27303
Adobe Connect | Deserialization of Untrusted Data (CWE-502)
CRITICAL 9.6
At a glance
- Source
- NVD
- EPSS
- EPSS 0.61 % · percentile 49 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- adobe
- NVD status
- Analyzed
Description
Adobe Connect versions 2025.3, 12.10 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. 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) |
| 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 · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2026-22667
- GCVE · GCVE-0-2026-27303
Affected configurations (NVD CPE)
cpe:2.3:a:adobe:connect:*:*:*:*:*:-:*:*< 12.11cpe:2.3:a:adobe:connect_desktop_application:*:*:*:*:*:macos:*:*≤ 2025.3cpe:2.3:a:adobe:connect_desktop_application:*:*:*:*:*:windows:*:*< 2025.9.15
Affected products
| Product | Versions |
|---|---|
| Adobe · Adobe Connect | affected 0 ≤ 12.10 ; unaffected 12.11 |
| Adobe · Adobe Connect Desktop Application | affected 0 ≤ 2025.3 ; unaffected 2025.9 |
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 |