CVE-2026-34659
CriticalCVSS 9.6Exploitation Probability (EPSS)
Low risk48th percentile - higher than 48% of all known CVEs
Summary
Adobe Connect versions 2025.9.15, 2025.8.157 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 execute arbitrary code.
Risk Assessment
Exploitation of this issue could lead to serious consequences, including an attacker gaining control over the system. User interaction is required, which increases the risk if a malicious website is visited.
Recommendation
It is recommended to update Adobe Connect to the latest version to mitigate this vulnerability. Additionally, users should be educated about the risks of clicking on unknown links.
Other vulnerabilities in Adobe Connect
See all- CVE-2017-3101High
Adobe Connect versions 9.6.1 and earlier have a clickjacking vulnerability. Successful exploitation could lead to a clickjacking attack.
- CVE-2016-0948High
CVE-2016-0948 is a CSRF vulnerability in Adobe Connect before version 9.5.2 that allows remote attackers to hijack the authentication of unspecified victims via unknown vectors.
- CVE-2026-75698Critical
Adobe Connect is affected by a reflected 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.
- CVE-2026-75697Critical
Adobe Connect is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim's browser when they browse to the page containing the vulnerable field.
- CVE-2026-75689Critical
Adobe Connect is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim's browser when they browse to the page containing the vulnerable field.
- CVE-2026-75686Critical
Adobe Connect is affected by an Improper Input Validation vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation requires user interaction, as a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.
- CVE-2026-75684Critical
Adobe Connect is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim's browser when they browse to the page containing the vulnerable field, potentially gaining elevated access or control over the victim's account or session. Scope is changed.
- CVE-2026-75682Critical
Adobe Connect is affected by an Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability that could result in arbitrary code execution in the context of the current user. A low-privileged attacker could exploit this vulnerability to execute arbitrary SQL commands, potentially gaining elevated access or control over the victim's account or session. Exploitation does not require user interaction. Scope is changed.
- CVE-2026-34660Critical
Adobe Connect versions 2025.9.15, 2025.8.157 and earlier are affected by an Incorrect Authorization 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.
- CVE-2026-34615Critical
Adobe Connect versions 2025.3, 12.10 and earlier are affected by a deserialization of untrusted data vulnerability that could lead to arbitrary code execution in the context of the current user. An attacker can inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. User interaction is required. Scope is changed.
Original NVD description (English source)
Adobe Connect versions 2025.9.15, 2025.8.157 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 execute arbitrary code. 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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

