Adobe Patches Eight Critical Vulnerabilities in Campaign Classic

Adobe has released patches to address multiple critical security flaws in Campaign Classic that, if successfully exploited, could result in arbitrary code execution, security feature bypass, and privilege escalation. The company addressed eight vulnerabilities in total, including CVE-2026-104351, which has a CVSS score of 9.9 and is described as a code injection vulnerability that could lead to arbitrary code execution. Additional flaws in the advisory relate to security feature bypass and privilege escalation. As of the advisory release on 2026-10-28, no public exploitation of these vulnerabilities has been confirmed. Adobe recommends that all users of Campaign Classic update to the latest secure version without delay to mitigate the risks.