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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.

PUBLISHED Reserved 2026-02-18 | Published 2026-04-14 | Updated 2026-04-28 | Assigner adobe




CRITICAL: 9.6CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Problem types

Deserialization of Untrusted Data (CWE-502)

Product status

Default status
affected

Any version
affected

References

helpx.adobe.com/security/products/connect/apsb26-37.html vendor-advisory

cve.org (CVE-2026-27303)

nvd.nist.gov (CVE-2026-27303)

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