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major vulnerability· requires attention

Unauthenticated remote code execution in a widely used Adobe enterprise product (Adobe Campaign Classic); 10.0 CVSS and broad impact across orgs using ACC.

Applications

CVE-2026-48323

10.0
Critical
EPSS 0.70%Patch availableAug 4, 2026

Unauthenticated RCE in Adobe Campaign Classic template engine (no user interaction).

common questions

Is CVE-2026-48323 being exploited?

Not confirmed. CVE-2026-48323 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 0.70% probability of exploitation in the next 30 days.

How severe is CVE-2026-48323?

CVE-2026-48323 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-2026-48323?

Yes. A fix has been recorded for CVE-2026-48323. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-48323 affect?

CVE-2026-48323 affects Adobe Campaign Classic. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-48323?

Apply vendor patch immediately when available; restrict ACC access, disable risky templates, add WAF rules and monitor logs.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
Adobe Campaign Classic
impact

Remote code execution as the application user via template injection; attackers can run commands, deploy malware, pivot, and exfiltrate data.

action required

Immediate action required

affected versions
Adobe Adobe Campaign Classic
  • affected<= ACC v7: 7.4.3 build 9398
vendor says fixed inACC v7: 7.4.3 build 9399

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.

how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
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