CVE-2026-34615
Critical
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. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. 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.
SeverityCritical
CVSS9.3
Exploit probability—
Product
Adobe Connect
PublishedApr 14, 2026
First seenApr 14, 2026
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Update
- adobe connect12.11 or later
- adobe connect_desktop_application2025.9.15 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| adobe connect | v < 12.11 | 12.11 |
| adobe connect_desktop_application | v ≤ 2025.3, v < 2025.9.15 | 2025.9.15 |
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