Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Cross-Site Scripting (XSS) vulnerability that could result in privilege escalation. A low-privileged 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.
Conclusion & alert: CVE-2026-34617 is rated Low Risk (39.1/100): CVSS High severity, with low exploitation likelihood (EPSS 0.04%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-15 | — | 0.04% | — |
Full EPSS history (1 record total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.7 | 3.1 | HIGH |
|
2.3 | 5.8 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| adobe | connect | < 12.11 | cpe:2.3:a:adobe:connect:*:*:*:*:*:-:*:* |
| adobe | connect_desktop_application | <= 2025.3 | cpe:2.3:a:adobe:connect_desktop_application:*:*:*:*:*:macos:*:* |
| adobe | connect_desktop_application | < 2025.9.15 | cpe:2.3:a:adobe:connect_desktop_application:*:*:*:*:*:windows:*:* |
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/connect/apsb26-37.html | Vendor Advisory |