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CRITICAL severity

CVE-2026-82004

CRITICAL

CVE-2026-82004 is a critical-severity (CVSS 10) OS Command Injection vulnerability in adobe campaign. O3 Security detects and blocks CVE-2026-82004 exploitation at runtime via eBPF exploit-chain detection and L7 egress monitoring, even on unpatched systems.

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…

Published
Sep 8, 2026
Updated
Sep 9, 2026
Affected
1 product
Patched
See advisory
Exploits
None indexed
Exploitation data as of Sep 9, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

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

1 product · 3 configurations
Application
campaignadobe
< 7.4.4
1 version
7.4.4

Detection & mitigation playbook

Vendor / appliance
  1. Detect

    Inventory every adobe campaign deployment and check each version against the affected-products list above. Because the exploit targets the running system rather than your application code, also watch for remote code execution at the network and runtime layer — O3 flags the exploit behaviour from runtime telemetry and egress traffic even before a vulnerable build is confirmed.

  2. Fix

    Apply the adobe campaign security patch or hotfix for CVE-2026-82004 on the affected version, following the vendor advisory for your exact build.

  3. Workarounds

    Cut exposure now: restrict the management/admin interface to trusted networks, segment the device, and apply the vendor's recommended configuration mitigations and any WAF/IPS signature. O3's runtime protection blocks the exploit chain at execution, holding the line on unpatched or end-of-life systems until you can patch.

  4. How O3 protects you

    O3 detects and blocks CVE-2026-82004 exploitation at runtime: eBPF exploit-chain detection, plus L7 egress monitoring that catches the post-exploitation callback and severs the attacker's outbound channel.

Tailored to CVE-2026-82004. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

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.
O3 Security · Runtime Protection

Is CVE-2026-82004 being exploited in your environment?

O3's eBPF runtime sensors and L7 egress monitoring detect and block the CVE-2026-82004 exploit chain at execution — protecting unpatched and end-of-life systems until the vendor patch is applied.