CVE-2026-82004: Adobe Campaign Classic (ACC) | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') (CWE-78)

Severity: critical (CVSS 10.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-08 · updated 2026-09-11
Weakness: CWE-78

Description

Adobe Campaign Classic (ACC) is affected by an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') 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 does not require user interaction. Scope is changed.

Affected products

Adobe Campaign Classic: before 7.4.4; 7.4.4-9400, 7.4.4-9401 — fixed in 7.4.4

How to fix

Upgrade to a fixed version: Adobe Campaign Classic 7.4.4. Check the vendor advisory for mitigations.

References

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

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