PatchTheCVECVE-2026-34615: Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Deserialization of Untrusted Data vulnerabi
CVE-2026-34615 is a critical-severity flaw (CVSS 9.3) affecting connect, connect desktop application, connect desktop application. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 vis
Why this priority
- Critical severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.3 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.6% (top 50%) |
| CISA exploited list | No |
| Weakness | CWE-502 |
| Published | 2026-04-14 |
| Last modified | 2026-08-28 |
Last updated 2026-08-28 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-34615?
connect: upgrade to 12.11; connect desktop application: upgrade to newer than 2025.3; connect desktop application: upgrade to 2025.9.15. Exact commands for each OS are on this page.
Is CVE-2026-34615 being exploited?
CVE-2026-34615 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-34615 affect?
CVE-2026-34615 affects connect, connect desktop application, connect desktop application. Severity is critical (CVSS 9.3). 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 vulnerabilit
How urgent is CVE-2026-34615?
Priority 45/100. Critical severity
Related CVEs
- CVE-2026-27246 CRITICAL 9.3 UPGRADE UPGRADE Adobe Connect versions 2025.3, 12.10 and earlier are affected by a DOM-based Cross-Site Scripting (XSS) vulner
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- CVE-2026-27243 CRITICAL 9.3 UPGRADE UPGRADE Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulner
- CVE-2026-27245 CRITICAL 9.3 UPGRADE UPGRADE Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulner
- CVE-2026-21331 MEDIUM 6.1 UPGRADE UPGRADE Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulner