CVE-2026-27303CWE-502insecure-deserialization

CVE-2026-27303

Critical · published April 14, 2026

CVSS v3.1
9.6
EPSS
2%
Percentile
79.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01872 · 79.2th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-04-14T22:16Z
Affected products (3)
ProductVersionsFixed in
adobe/connect< 12.1112.11
adobe/connect_desktop_application≤ 2025.3—
adobe/connect_desktop_application< 2025.9.152025.9.15
References (1)
https://helpx.adobe.com/security/products/connect/apsb26-37.html · [email protected]
EPSS history
Timeline
  • 14 APR 17:33Z
    Adobe Connect | Deserialization of Untrusted Data (CWE-502)
    cvelistv5