CVE-2026-83964 is a vulnerability in Adobe Connect
Published on September 22, 2026
Adobe Connect | Improper Certificate Validation (CWE-295)
Adobe Connect is affected by an Improper Certificate Validation vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this issue does not require user interaction.
Vulnerability Analysis
CVE-2026-83964 is exploitable with local system access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
Improper Certificate Validation
The software does not validate, or incorrectly validates, a certificate. When a certificate is invalid or malicious, it might allow an attacker to spoof a trusted entity by interfering in the communication path between the host and client. The software might connect to a malicious host while believing it is a trusted host, or the software might be deceived into accepting spoofed data that appears to originate from a trusted host.
Products Associated with CVE-2026-83964
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Affected Versions
Adobe Connect:- Before and including 12.11 is affected.
- Version 12.11.1, 12.12 is unaffected.
- Before and including 4.4 is affected.
- Version 4.5 is unaffected.