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CVE-2026-21300— Substance3D - Modeler | NULL Pointer Dereference (CWE-476)

Quick assessment

Affected
Adobe Substance3D - Modeler
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Adobe Substance3D Modeler是美国奥多比（Adobe）公司的一款3D建模软件。 Adobe Substance3D Modeler 1.22.4及之前版本存在代码问题漏洞，该漏洞源于空指针取消引用，可能导致应用程序拒绝服务。

CVSS 5.5 · Medium EPSS 0.14% · P4
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I. Basic Information for CVE-2026-21300

Vulnerability Information
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Vulnerability Title
Substance3D - Modeler | NULL Pointer Dereference (CWE-476)
Source: CVE Program / CVE List V5
Vulnerability Description
Substance3D - Modeler versions 1.22.4 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
Adobe Substance3D Modeler 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Substance3D Modeler是美国奥多比（Adobe）公司的一款3D建模软件。 Adobe Substance3D Modeler 1.22.4及之前版本存在代码问题漏洞，该漏洞源于空指针取消引用，可能导致应用程序拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Adobe Substance3D - Modeler 0 ~ 1.22.4 -

II. Public POCs for CVE-2026-21300

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III. Intelligence Information for CVE-2026-21300

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Vendor Advisories for CVE-2026-21300 (1)

Same Patch Batch · Adobe · 2026-01-13 · 25 CVEs total

CVE-2026-21272 8.6 HIGH Dreamweaver Desktop | Improper Input Validation (CWE-20)
CVE-2026-21271 8.6 HIGH Dreamweaver Desktop | Improper Input Validation (CWE-20)
CVE-2026-21267 8.6 HIGH Dreamweaver Desktop | Improper Neutralization of Special Elements used in an OS Command ('
CVE-2026-21280 8.6 HIGH Illustrator | Untrusted Search Path (CWE-426)
CVE-2026-21268 8.6 HIGH Dreamweaver Desktop | Improper Input Validation (CWE-20)
CVE-2026-21281 7.8 HIGH InCopy | Heap-based Buffer Overflow (CWE-122)
CVE-2026-21299 7.8 HIGH Substance3D - Modeler | Out-of-bounds Write (CWE-787)
CVE-2026-21298 7.8 HIGH Substance3D - Modeler | Out-of-bounds Write (CWE-787)
CVE-2026-21307 7.8 HIGH Substance3D - Designer | Out-of-bounds Write (CWE-787)
CVE-2026-21306 7.8 HIGH Substance3D - Sampler | Out-of-bounds Write (CWE-787)
CVE-2026-21287 7.8 HIGH Substance3D - Stager | Use After Free (CWE-416)
CVE-2026-21305 7.8 HIGH Substance3D - Painter | Out-of-bounds Write (CWE-787)
CVE-2026-21283 7.8 HIGH Bridge | Heap-based Buffer Overflow (CWE-122)
CVE-2026-21304 7.8 HIGH InDesign Desktop | Heap-based Buffer Overflow (CWE-122)
CVE-2026-21277 7.8 HIGH InDesign Desktop | Heap-based Buffer Overflow (CWE-122)
CVE-2026-21275 7.8 HIGH InDesign Desktop | Access of Uninitialized Pointer (CWE-824)
CVE-2026-21276 7.8 HIGH InDesign Desktop | Access of Uninitialized Pointer (CWE-824)
CVE-2026-21274 7.8 HIGH Dreamweaver Desktop | Incorrect Authorization (CWE-863)
CVE-2026-21288 5.5 MEDIUM Illustrator | NULL Pointer Dereference (CWE-476)
CVE-2026-21308 5.5 MEDIUM Substance3D - Designer | Out-of-bounds Read (CWE-125)

Showing top 20 of 25 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Substance3D - Modeler
Same vendor: Adobe
Same weakness: CWE-476

V. Comments for CVE-2026-21300

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