What’s Vulnerable › Vulnerabilities
CVE-2026-34615: Adobe Connect | Deserialization of Untrusted Data (CWE-502)
- Severity: critical (CVSS 9.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-04-14 · updated 2026-08-28
- Weakness: CWE-502
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.
Affected products
- Adobe Connect: before 12.11 — fixed in 12.11
- Adobe Connect Desktop Application: through 2025.3; before 2025.9.15 — fixed in 2025.9.15
How to fix
Upgrade to a fixed version: Adobe Connect 12.11; Adobe Connect Desktop Application 2025.9.15. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-34615 or the next vulnerability affects your stack