Adobe Campaign Classic is enterprise software used across organizations; unauthenticated RCE with CVSS 10.0 risks widespread disruption and data/server compromise, meriting org-wide alert.
CVE-2026-75721
Unauthenticated code injection in Adobe Campaign Classic enables remote code execution.
Is CVE-2026-75721 being exploited?
Not confirmed. CVE-2026-75721 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 1.2% probability of exploitation in the next 30 days.
How severe is CVE-2026-75721?
CVE-2026-75721 is rated Critical with a CVSS score of 10.0. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-75721?
Yes. A fix has been recorded for CVE-2026-75721. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-75721 affect?
CVE-2026-75721 affects Adobe Campaign Classic (ACC). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-75721?
Apply Adobe's security update immediately; isolate ACC servers and monitor for exploitation.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote code execution via code injection; attacker can run arbitrary code as the Campaign app user, risking server compromise and data access.
Immediate action required
- affected<= 7.4.4 build 9401
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.