# CVE-2026-82004 — Adobe Campaign Classic

> As of 2026-09-08, CVE-2026-82004 is a CRITICAL-severity vulnerability in Adobe Campaign Classic, CVSS v3.1 10. Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-82004, most recently “Adobe Campaign Classic Critical OS Command Injection (CVE-2026-82004, APSB26-142, CVSS 10.0)”.

**Last updated:** 2026-09-08

## What is CVE-2026-82004?

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.

The record classifies CVE-2026-82004 under weakness class [CWE-78](https://cwe.mitre.org/data/definitions/78.html). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 2 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 10 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H`)
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 5/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-08

## Is CVE-2026-82004 being exploited?

No public exploitation evidence for CVE-2026-82004 is recorded in the sources Threadlinqs tracks — CISA KEV, Exploit-DB, public proof-of-concept repositories and ProjectDiscovery Nuclei — as of 2026-09-08. That is an absence of evidence in those feeds, not a guarantee that the vulnerability is unexploited.

## Affected products and versions

- **Adobe**: Campaign Classic

## How to fix CVE-2026-82004

No vendor patch reference has been recorded for CVE-2026-82004 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-82004

1 tracked threat in the Threadlinqs corpus references CVE-2026-82004, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Adobe Campaign Classic Critical OS Command Injection (CVE-2026-82004, APSB26-142, CVSS 10.0)](https://intel.threadlinqs.com/threat/TL-2026-2408) — CRITICAL · 2026-09-08

## Sources

Enriched from CVE.org, NVD. Last verified by Threadlinqs on 2026-09-09. This product uses the NVD API but is not endorsed or certified by the NVD.

**Vendor advisory and patch**

- [helpx.adobe.com — vendor advisory](https://helpx.adobe.com/security/products/campaign/apsb26-142.html)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-82004
Full detection coverage and IOCs for threats exploiting CVE-2026-82004 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp