Adobe Campaign Classic (ACC) is affected by an Improper Neutralization of Special Elements used in an OS Command ('OS
Source GCVE Database
Not known to be exploited · CVSS 9.9 Critical.
Data as of 27 Oct 2026, 20:12 UTC
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 27 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| AdobeAdobe Campaign Classic | Affected
| Fixed in– |
AI-suggested
Until a patch is available, consider restricting access to the affected system and applying any recommended temporary mitigations from Adobe.
Description
Adobe Campaign Classic (ACC) contains an OS Command Injection vulnerability (CWE-78) that allows a low-privileged attacker to execute arbitrary code without user interaction. The vulnerability affects the context of the current user and changes the security scope. It has a critical severity with a CVSS score of 9.9.