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

published 2026-09-22 47 d ago modified 2026-09-26 43 d ago also EUVD-2026-84662

cvss: 8.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

Adobe Adobe Campaign Classic 7.4.4 build 9402

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 43 d ago (2026-09-26)

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.5	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

Adobe Adobe Campaign Classic

Classification

Weakness

CWE-20 Improper Input Validation

References

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

Sources

CVE List CVE-2026-82003
NVD CVE-2026-82003

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary