CVE-2026-21336

Application crash via malicious file null dereference

Published Feb 10, 2026 · Updated Feb 10, 2026

NULL pointer dereference in Adobe Substance 3D Designer 15.1.0 and earlier allows attackers to crash the application via a malicious file. Adobe has not disclosed the affected parser or the specific unchecked value dereferenced while processing the file. Exploitation requires a victim to open the file and causes an application crash, with no reported confidentiality or integrity impact.

CVSS severity5.5
Medium
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

NULL pointer dereference in Adobe Substance 3D Designer 15.1.0 and earlier allows attackers to crash the application via a malicious file. Adobe has not disclosed the affected parser or the specific unchecked value dereferenced while processing the file. Exploitation requires a victim to open the file and causes an application crash, with no reported confidentiality or integrity impact.

The record

CVE
CVE-2026-21336
Published
Feb 10, 2026
Updated
Feb 10, 2026
Vendor
Adobe
Product
Substance 3D Designer
Classifications
CWE-476, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 10, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 10, 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 <=15.1.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Adobe · Substance 3D Designerversion=0 <=15.1.0

Published CVSS scores

5.5Adobe Systems IncorporatedCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/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.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-476NULL Pointer Dereference
T1204.002Malicious File

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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