Security readout for executives and security teams
Plain-English summary
A malicious file can crash Adobe Substance 3D Painter when a user opens it. The issue affects availability only: the supplied evidence does not indicate data theft, data modification, or system compromise. Disruption is likely limited to the application and requires victim interaction.
Executive priority
Address through the normal vulnerability-management cycle, prioritizing creative teams that frequently exchange files with external parties. Accelerate remediation where application availability affects deadlines or production workflows. Emergency incident response is not supported by the supplied exploitation evidence.
Technical view
CVE-2026-27217 is a NULL pointer dereference (CWE-476) affecting Substance 3D Painter 11.1.2 and earlier. It has CVSS 3.1 score 5.5 and vector AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. Successful triggering causes application denial-of-service.
Likely exposure
Workstations running Substance 3D Painter 11.1.2 or earlier are exposed when users can receive and open untrusted project or content files. Systems without the affected application, or where users do not handle external files, have lower practical exposure.
Exploitation context
Exploitation requires a victim to open a malicious file. The source bundle reports no CISA KEV listing and provides no evidence of active exploitation. No privileges are required, but the attack is local and user-assisted rather than remotely automatic.
Researcher notes
The impact described is availability loss from a NULL pointer dereference, with no confidentiality or integrity impact. The supplied sources do not identify a specific malicious file format, root cause location, public proof of concept, exploitation activity, or broader execution primitive. Avoid inferring code execution from the crash condition.
Mitigation direction
- Inventory Substance 3D Painter installations and identify versions 11.1.2 or earlier.
- Apply the Adobe-recommended update or remediation from APSB26-25.
- Until updated, restrict opening Substance 3D Painter files from untrusted or unsolicited sources.
- Use email and content controls to quarantine suspicious files targeting creative teams.
Validation and detection
- Confirm each installed Substance 3D Painter version through software inventory or application management records.
- Verify affected installations were updated according to Adobe advisory APSB26-25.
- Review support tickets and application crash telemetry for unexpected Substance 3D Painter failures.
- Confirm controls warn users about or block untrusted Substance 3D Painter content.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-476: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupCVE-2026-27217 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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.
SSVC decision data
CVSS vector scores
1 official scoreWe 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.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H1.83.6adobeVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/substance3d_painter/apsb26-25.htmlCVE reference, adobe · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
NULL Pointer Dereference
NULL Pointer Dereference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.