Quick answers
- Is CVE-2026-121912 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-121912 being exploited in the wild.
- How severe is CVE-2026-121912?
- Medium severity, with a CVSS score of 5.4, published 10 November 2026.
- Which products and versions are affected?
- Adobe Connect 12.12 and earlier.
- Is there a fix for CVE-2026-121912?
- Yes: fixed in Connect 12.12.a, 12.11.i, 12.10.f, 12.9.a, 12.8.a. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-121912 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-121912?
- Check whether you run Adobe Connect at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: Connect 12.12.a, 12.11.i, 12.10.f, 12.9.a, 12.8.a
Technical details
A stored cross-site scripting vulnerability exists in Adobe Connect's form field processing, allowing authenticated attackers to inject malicious JavaScript that is executed in other users' browsers. The vulnerability requires low-privilege user access and user interaction (viewing the page), and changes the scope of impact beyond the vulnerable component itself. The attack can lead to privilege escalation and unauthorized access.
Affected products
- Adobe Connect 12.12 and earlier
Timeline
- 2026-11-10: disclosed