CVE-2026-48303Network attack vector

Unauthenticated arbitrary code execution

Published Jun 9, 2026 · Updated Jun 9, 2026

Incorrect authorization in Adobe Campaign Classic 7.4.3 build 9394 and earlier allows remote attackers to execute arbitrary code. Adobe has not disclosed the affected authorization check, request path, or operation that accepts untrusted input. The flaw is network-reachable without authentication or user interaction in on-premise and hybrid on-premise components, and code runs in the current user’s context.

CVSS severity10.0
Critical
EPSS probability0.55%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Incorrect authorization in Adobe Campaign Classic 7.4.3 build 9394 and earlier allows remote attackers to execute arbitrary code. Adobe has not disclosed the affected authorization check, request path, or operation that accepts untrusted input. The flaw is network-reachable without authentication or user interaction in on-premise and hybrid on-premise components, and code runs in the current user’s context.

The record

CVE
CVE-2026-48303
Published
Jun 9, 2026
Updated
Jun 9, 2026
Vendor
Adobe
Product
Adobe Campaign Classic
Classifications
CWE-863, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 9, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 9, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=7.4.3 build 9394

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Adobe · Adobe Campaign Classicversion=0 <=7.4.3 build 9394

Published CVSS scores

10.0Adobe Systems IncorporatedCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-863Incorrect Authorization
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo