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Adobe Security Bulletin

Last updated on May 12, 2026

Security update available for Adobe Connect | APSB26-50

Bulletin ID
Date published
Priority
APSB26-50
May 12, 2026
3

Summary

Adobe has released a security update for Adobe Connect. This update resolves critical vulnerabilities that could lead to arbitrary code execution and privilege escalation.

Adobe is not aware of any exploits in the wild for any of the issues addressed in these updates.

Affected Product Versions

Product
Version
Platform
Adobe Connect Desktop Application
2025.9.15 (Windows)
2025.8.157 (macOS)
Windows and macOS

Solution

Adobe categorizes these updates with the following priority ratings and recommends users update their installation to the latest version.

Product
Version
Platform
Priority
Availability
Adobe Connect Desktop Application
2026.3.125 (Windows) 2026.01.39 (macOS)
Windows and macOS
3

Vulnerability Details

Vulnerability category
Vulnerability impact
Severity
CVSS base score
CVE number
Deserialization of Untrusted Data (CWE-502)
Arbitrary code execution
Critical
9.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVE-2026-34659
Incorrect Authorization (CWE-863)
Privilege escalation
Critical
9.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
CVE-2026-34660

Acknowledgments

Adobe would like to thank the following researchers for reporting these issues and for working with Adobe to help protect our customers:

  • Laish (a_l) -- CVE-2026-34659, CVE-2026-34660