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Adobe Dimension CVE-2026-103855

| EUVDEUVD-2026-100572 MEDIUM
NULL Pointer Dereference (CWE-476)
2026-10-13 psirt@adobe.com GHSA-85c8-r849-wwq4
5.5
CVSS 3.1 · Vendor: adobe
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Craft malicious Dimension file
  2. Delivery
    Deliver file to victim
  3. Exploit
    Victim opens file in Dimension
  4. Execution
    NULL pointer dereference triggered
  5. Impact
    Application crashes (denial-of-service)

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A10:2025 - Mishandling of Exceptional Conditions
ASVS 5.0
V16 - Security Logging and Error Handling Null pointer safety, defensive checks
MITRE ATT&CK

1 technique across 1 tactic: Impact

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires the victim to manually open an attacker-supplied malicious file within Adobe Dimension (version ≤4.1.8) on the local system - there is no network-facing or automated trigger. No authentication or elevated privileges are needed (PR:N), but the mandatory user interaction (UI:R) and local attack vector (AV:L) are the primary limiting factors: the attacker must first socially engineer file delivery and persuade the user to open it. Impact is confined to application availability (a crash); there is no persistence, no data exposure, and no effect on other systems or users.

Impact

This is a genuinely moderate, low-priority issue rather than a high-impact emergency. The CVSS 3.1 vector (AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H, base 5.5) describes a local, user-interaction-dependent availability-only impact with no confidentiality or integrity loss - the attacker cannot reach the target over a network and must convince a victim to open a malicious file. All exploitation signals align with low urgency: CISA's SSVC decision shows Exploitation=none, Automatable=no, and Technical Impact=partial, and there is no KEV listing and no public exploit identified at time of analysis. EPSS is not provided in the input, so probabilistic exploitation likelihood cannot be quantified. The signals are mutually consistent (no conflict): a crash-only NULL pointer dereference requiring local file-open interaction is a classic nuisance-grade DoS, not a weaponizable foothold. The only limiting nuance is that 'PR:N with UI:R' means no credentials are needed but social engineering (delivering and opening a crafted file) is mandatory, which substantially constrains real-world abuse.

Exploit ScenarioDerived

An attacker crafts a malformed Dimension-compatible file and delivers it to a victim via email, shared storage, or a download link. When the victim opens the file in Adobe Dimension (version ≤4.1.8), a NULL pointer dereference is triggered and the application crashes, causing a denial-of-service with loss of unsaved work. No public exploit code is identified at time of analysis, and the impact is limited to application availability - no code execution or data disclosure.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 14, 2026

Application denial-of-service in Adobe Dimension 4.1.8 and earlier allows an attacker to crash the application by convincing a victim to open a specially crafted file on their local system. The flaw is a NULL pointer dereference in Dimension's file handling, so the impact is confined to availability of the application process itself - there is no code execution, no data exposure, and no effect on other systems or users. Exploitation is not automatable, requires the victim to voluntarily open the malicious file (UI:R) from a local vector (AV:L), and no public exploit identified at time of analysis; CISA's SSVC assessment rates exploitation as none.

RemediationAI

Patch available per vendor advisory: Adobe has published security bulletin APSB26-171 (https://www.adobe.com/trust/security/products/dimension/apsb26-171.html), and the source data does not include an exact fixed version string, so administrators should consult that bulletin for the specific remediated Dimension build and upgrade to it (or later) through Creative Cloud / the Adobe updater. Because exploitation is availability-only and requires a user to open a malicious file, the practical compensating control is to block delivery and opening of untrusted Dimension project and 3D asset files at the email gateway and file-share layer, and to set Windows/MacOS file-association policy so unknown attachments are not auto-opened - the trade-off is reduced convenience for users who legitimately exchange 3D assets with external partners. Restricting who can run Dimension on shared workstations, or running it in a sandboxed/throwaway container, limits the blast radius of a crash to a single disposable session at the cost of extra session-management overhead. Given the low SSVC exploitation signal (Exploitation: none, Automatable: no) and the absence of any network-facing trigger, emergency out-of-band response is not warranted; handling this within a normal patch cycle is appropriate.

Affected VersionsENISA

Adobe Dimension 0 ≤4.1.8

Affected Packages

euvd adobe_dimension no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The root cause is CWE-476, a NULL pointer dereference, occurring within Adobe Dimension's parsing of attacker-supplied document files. Because the parser follows a pointer that has not been initialized or has been set to NULL, the application faults and terminates - a classic availability-only defect rather than a memory-corruption primitive that could be chained into arbitrary code execution. The assessed CVSS vector (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) confirms the attack surface is local file opening rather than a network service: no privileges or credentials are needed, but the attacker must socially engineer delivery of a file and persuade the user to open it, which is the primary barrier to exploitation. The scope is unchanged (S:U), meaning only the vulnerable Dimension process is affected, and the confidentiality and integrity metrics are both None. ENISA EUVD records the affected range as 'Adobe Dimension 0 ≤4.1.8', and no CPE strings were supplied in the source data, so exact build-level granularity is only available from the vendor's own product listing.

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Severity by source

Vendor (adobe) PRIMARY 5.5 MEDIUM
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
vuln.today AI 5.5 MEDIUM

File must be opened locally by a user, so AV:L and UI:R; no credentials needed (PR:N); crash-only impact gives A:H with C:N/I:N.

3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
4.0 AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (adobe).

CVSS VectorVendor: adobe

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

DescriptionCVE.org

Dimension is affected by a NULL Pointer Dereference vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Threat Intelligence Overview

EPSS Score
0.1%
Top 96% exploitable
Prevalence
Low
Adobe Dimension is niche 3D design software with limited enterprise footprint
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.1%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation
None
System Exposure· derived
Small
Automatable
No
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +28
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

A null pointer dereference occurs when a program attempts to access memory through a pointer that has been set to NULL (address 0x0).

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

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