Unauthenticated remote code execution (CVSS 10.0) in an Adobe enterprise product used to manage customer campaigns; high-impact across organizations hosting ACC.
CVE-2026-48449
Unauthenticated RCE in Adobe Campaign Classic allowing arbitrary code execution.
Is CVE-2026-48449 being exploited?
Not confirmed. CVE-2026-48449 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 0.96% probability of exploitation in the next 30 days.
How severe is CVE-2026-48449?
CVE-2026-48449 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-2026-48449?
Yes. A fix has been recorded for CVE-2026-48449. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-48449 affect?
CVE-2026-48449 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-2026-48449?
Apply vendor patch when available; isolate ACC, restrict access, harden network segmentation and monitor logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote attackers can execute arbitrary code as the ACC service user, access/modify campaign data and pivot within networks.
Immediate action required
- affected<= 7.4.3 build 9397
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.