CVE-2026-27303

EUVD-2026-22667
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
adobeCNA
9.6 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
adobeconnect
𝑥
≤ 12.10
CNA
Common Weakness Enumeration
References
https://helpx.adobe.com/security/products/connect/apsb26-37.html