CVE-2026-27246: Adobe Connect | Cross-site Scripting (DOM-based XSS) (CWE-79)

Severity: critical (CVSS 9.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-14 · updated 2026-10-26
Weakness: CWE-79

Description

Adobe Connect versions 2025.3, 12.10 and earlier are affected by a DOM-based Cross-Site Scripting (XSS) vulnerability. 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

https://helpx.adobe.com/security/products/connect/apsb26-37.html

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