CVE-2026-27303
CRITICALAdobe Connect | Deserialization of Untrusted Data (CWE-502)
Title source: cnaDescription
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.
Scores
CVSS v3
9.6
EPSS
0.0374
EPSS Percentile
88.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-502
Status
published
Products (4)
Adobe/Adobe Connect
< 12.10
adobe/connect
< 12.11
adobe/connect_desktop_application
< 2025.3
adobe/connect_desktop_application
< 2025.9.15
Published
Apr 14, 2026
Tracked Since
Apr 14, 2026