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CVE Record

CVE-2026-48449: Adobe Campaign Classic (ACC) | Incorrect Authorization (CWE-863)

Adobe Campaign Classic (ACC) is affected by an Incorrect Authorization vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction. Scope is changed.

CriticalCVSS 10Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

Adobe Campaign Classic has a critical authorization flaw that may let an unauthenticated remote attacker run code with the affected application user’s privileges. No user action is required. Successful compromise could expose data, alter systems, or disrupt service, although the supplied sources do not establish active exploitation.

Executive priority

Treat as an immediate remediation priority for any potentially affected or externally reachable deployment. The maximum CVSS score and unauthenticated code-execution impact justify urgent action, while the absence of confirmed active exploitation should not be interpreted as evidence of safety.

Technical view

CVE-2026-48449 is a CWE-863 incorrect authorization vulnerability with CVSS 3.1 score 10.0. The supplied vector indicates network access, low complexity, no privileges, no user interaction, changed scope, and high confidentiality, integrity, and availability impact. The affected-version data identifies Adobe Campaign Classic through 7.4.3 build 9398, but should be confirmed against Adobe’s advisory.

Likely exposure

Exposure is most likely where Adobe Campaign Classic installations within the stated affected range are reachable by untrusted networks. Actual risk depends on deployed build, accessibility, and application-user privileges. The bundle’s default status is unaffected outside the listed range, but asset owners should verify version applicability with Adobe.

Exploitation context

The supplied CVSS vector supports unauthenticated remote exploitation without user interaction and potential arbitrary code execution. However, the CVE is not listed as KEV in the bundle, and no supplied source confirms active exploitation, public exploit availability, or observed attacks.

Researcher notes

The supplied record describes incorrect authorization leading to code execution in the current user context and changed scope. It does not provide the vulnerable component, request path, root cause, indicators of compromise, or explicit fixed build. Avoid inferring those details; consult APSB26-114 for authoritative applicability and remediation information.

Mitigation direction

  • Review Adobe advisory APSB26-114 and apply its specified security update or mitigation promptly.
  • Restrict Campaign Classic access to trusted networks while remediation is pending.
  • Reduce the application service account’s privileges where operationally safe.
  • Monitor Campaign Classic systems for unexpected processes, account activity, configuration changes, and outbound connections.

Validation and detection

  • Inventory all Adobe Campaign Classic deployments and record exact versions and build numbers.
  • Compare each deployment with Adobe advisory APSB26-114 applicability and remediation guidance.
  • Identify internet-facing or otherwise untrusted network paths to affected installations.
  • After remediation, confirm the installed build and verify access restrictions remain effective.
  • Review relevant application, operating-system, authentication, and network logs for suspicious activity.
Prepared
Confidence
high
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-863: Authorization and privilege behavior lookup

Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2026-48449 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Critical
CVSS
10 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
3Timeline events
1ADP providers
2Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: total

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
10CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H3.96adobe

Vulnerability scoring details

Base CVSS 3.1 score

10Critical
CVSS 3.1 vector shape for CVE-2026-48449Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
AdobeAdobe Campaign Classic0, 7.4.3 build 9398unaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-863 · source CWE mapping

Incorrect Authorization

Incorrect Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.