CVE-2026-27303 - Vulnerability Details - OpenCVE

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 does not require user interaction. Scope is changed.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Adobe	Adobe Connect

No data.

No data.

References

Link	Providers
https://helpx.adobe.com/security/products/connect/apsb26-37.html

History

Wed, 15 Apr 2026 15:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Adobe Adobe adobe Connect
Vendors & Products		Adobe Adobe adobe Connect

Tue, 14 Apr 2026 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 14 Apr 2026 18:00:00 +0000

Type	Values Removed	Values Added
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 does not require user interaction. Scope is changed.
Title		Adobe Connect \| Deserialization of Untrusted Data (CWE-502)
Weaknesses		CWE-502
References		https://helpx.adobe.com/security/products/connect/apsb26-37.html
Metrics		cvssV3_1 `{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'}`

MITRE

Status: PUBLISHED

Assigner: adobe

Published: 2026-04-14T17:33:50.425Z

Updated: 2026-04-15T03:58:42.787Z

Reserved: 2026-02-18T22:02:41.399Z

Link: CVE-2026-27303

Vulnrichment

Updated: 2026-04-14T18:22:25.367Z

NVD

Status : Awaiting Analysis

Published: 2026-04-14T18:16:56.633

Modified: 2026-04-15T16:14:07.857

Link: CVE-2026-27303

Redhat

No data.

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