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.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Adobe

Adobe Connect

affected

Version	Status	Constraints
`0`	affected	≤ 12.10

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

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

History

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'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: adobe

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

Updated: 2026-04-14T18:22:29.043Z

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

Link: CVE-2026-27303

Vulnrichment

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

NVD

Status : Received

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

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

Link: CVE-2026-27303

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-502

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