Substance3D - Painter versions 11.1.2 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing disruption to services. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
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 can interrupt design work and cause loss of unsaved progress, but the supplied sources report no confidentiality or integrity impact. User interaction is required.
Executive priority
Prioritize remediation for creative teams that routinely exchange project files externally. The likely impact is localized productivity disruption rather than enterprise compromise, so handle through normal vulnerability-management timelines unless repeated crashes or suspicious files are observed.
Technical view
CVE-2026-27218 is a NULL pointer dereference in Substance 3D Painter 11.1.2 and earlier. CVSS 3.1 is 5.5 (AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H), indicating a user-triggered application denial-of-service without reported data disclosure or modification.
Likely exposure
Exposure is concentrated on workstations running Substance 3D Painter 11.1.2 or earlier, particularly where users open files from email, shared storage, contractors, or other untrusted sources. Systems without the product are not affected.
Exploitation context
Exploitation requires a victim to open a malicious file locally. The supplied record is not flagged in KEV and provides no evidence of active exploitation. It also does not report code execution, privilege escalation, or data compromise.
Researcher notes
The affected-version statement identifies 11.1.2 and earlier; the structured range uses 11.1.3 as its boundary with unaffected as the default. Testing should remain non-destructive and focus on version verification, crash telemetry, and vendor-confirmed remediation. The supplied evidence does not establish active exploitation.
Mitigation direction
Confirm Adobe's advisory and update affected installations to a vendor-supported unaffected version.
Restrict or quarantine untrusted Substance 3D Painter files until affected installations are remediated.
Encourage users to verify externally supplied project files before opening them.
Preserve work frequently to reduce operational loss from unexpected application crashes.
Validation and detection
Inventory Substance 3D Painter installations and identify versions 11.1.2 or earlier.
Verify remediated endpoints report a version outside the documented affected range.
Review application crash telemetry for unusual clustering associated with recently opened files.
Confirm email and file-sharing controls inspect or quarantine unexpected Painter project files.
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
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ATT&CK lookup starting points
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cwe · low confidence lookup
CWE-476: Exact CWE lookup
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CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-476 · source CWE mapping
NULL Pointer Dereference
NULL Pointer Dereference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.