Adobe patches eight critical Campaign Classic flaws and a Connect bug
Campaign Classic through 7.4.4 build 9402 is fixed in build 9403; Adobe reports no known exploits.
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Vulnerability1 · 1 read
CVE-2026-104353
OS command injection in Adobe Campaign Classic
- CVSS 3.1
- 9.9 critical
- EPSS
- —
- Published
- ·
- Modified
AI analysisSummaries by Vani AI
Adobe Campaign Classic fails to neutralize special elements in OS commands, allowing arbitrary code execution in the current user's context. A low-privileged attacker can trigger it over the network with no user interaction, and the impact extends beyond the vulnerable component. Deployments of Adobe Campaign Classic that grant low-privileged access are affected; Adobe has not listed affected builds.
What to do: Apply Adobe's update for CVE-2026-104353. No workaround is stated.
| Product | Affected |
|---|---|
| Adobe Campaign Classic | — |
Estimated exposure
No basis for an estimate.
Order-of-magnitude estimate by the model from install counts, market share and public scan data it knows; verify before quoting.
Description · NVD
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. A low-privileged attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue does not require user interaction. Scope is changed.
- Weakness
- CWE-78
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H