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 requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
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: 89%
Affected Products (NVD)
VendorProductVersion
adobeconnect
𝑥
< 12.11
adobeconnect_desktop_application
𝑥
≤ 2025.3
adobeconnect_desktop_application
𝑥
< 2025.9.15
𝑥
= Vulnerable software versions