Vulnerability · Published Sep 22, 2026 · Assigned by adobe

CVE-2026-82003Adobe Campaign Classic (ACC) | Improper Input Validation (CWE-20)

High 8.5

In plain English

A high-severity improper input validation in Adobe Campaign Classic from Adobe. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).

Severity (CVSS 3.1)8.5High

Exploit odds (30 days)0.5%top 60.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Adobe Campaign Classic (ACC) is affected by an Improper Input Validation 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 code. Exploit depends on conditions beyond the attacker's control. Exploitation of this issue does not require user interaction. Scope is changed.

Affected products (as reported)

Vendor	Product	Versions
Adobe	Adobe Campaign Classic	0 – through 7.4.4 build 9401

Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

References

https://helpx.adobe.com/security/products/campaign/apsb26-142.html vendor-advisory