CVE-2026-27302Network attack vector

Unauthenticated code execution via undisclosed authorization flaw

Published Aug 11, 2026 · Updated Aug 11, 2026

Incorrect authorization in Adobe Campaign Classic 7.4.3 build 9399 and earlier allows remote attackers to execute arbitrary code. Adobe has not published the affected component or the authorization check that mishandles an untrusted request. Fully on-premise deployments and on-premise components of hybrid deployments are reachable over the network without authentication or user interaction, with code running in the current user's context.

CVSS severity10.0
Critical
EPSS probability0.71%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect authorization in Adobe Campaign Classic 7.4.3 build 9399 and earlier allows remote attackers to execute arbitrary code. Adobe has not published the affected component or the authorization check that mishandles an untrusted request. Fully on-premise deployments and on-premise components of hybrid deployments are reachable over the network without authentication or user interaction, with code running in the current user's context.

The record

CVE
CVE-2026-27302
Published
Aug 11, 2026
Updated
Aug 11, 2026
Vendor
Adobe
Product
Adobe Campaign Classic
Classifications
CWE-863, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 11, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 11, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=0 <=ACC v7: 7.4.3 build 9399

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Adobe · Adobe Campaign Classicversion=0 <=ACC v7: 7.4.3 build 9399

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

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Your stack

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