CVE-2026-75769

Substance3D - Painter | Heap-based Buffer Overflow (CWE-122)

Published Aug 25, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Description

Substance3D - Painter is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Analysis

Technical impact

A heap-based buffer overflow in Adobe Substance 3D Painter enables an attacker to execute arbitrary code within the context of the current user. The vulnerability requires the victim to open a crafted file, so user interaction is necessary for exploitation.

Affected Systems

Adobe Substance 3D Painter is affected; no specific version numbers are supplied in the advisory.

Risk and Exploitability

The CVSS score of 7.8 indicates a high impact once triggered. The EPSS score is not available, and the vulnerability is not listed in the CISA KEV catalog, implying no widely known public exploits at this time. Exploitation requires that the user open a malicious file, so the attack vector is through content that the user chooses to load into Substance 3D Painter.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Adobe

Substance3D - Painter

unaffected

Version	Status	Constraints
`0`	affected	≤ 12.1.2
`12.1.3`	unaffected	—

Configuration 1 [-]

cpe:2.3:a:adobe:substance_3d_painter:*:*:*:*:*:*:*:*

No data.

Vendor Product Versions

Adobe

Substance 3d Painter

Version	Status	Scheme	Platform
`[0,12.1.2]`	affected	semver	—
`12.1.3`	unaffected	semver	—

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

Apply the latest Adobe security patch for Substance 3D Painter as detailed in Adobe's APSB26‑129 advisory.
Avoid opening files from untrusted or unknown sources in Substance 3D Painter.
Ensure that all unpatched or older installations of Adobe Substance 3D Painter are removed from the system to prevent the vulnerability from being present.

Generated by OpenCVE AI on August 25, 2026 at 20:33 UTC.

Tracking

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.337% probability within 30 days)

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://helpx.adobe.com/security/products/substance3d_painter/apsb26-129.html

History

Aug 31, 2026 6:15 PM First appearance in the feed. Affected versions updated. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Adobe Adobe substance 3d Painter
CPEs		cpe:2.3:a:adobe:substance_3d_painter::::::::
Vendors & Products		Adobe Adobe substance 3d Painter

Aug 25, 2026 7:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Aug 25, 2026 6:15 PM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		Substance3D - Painter is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Title		Substance3D - Painter \| Heap-based Buffer Overflow (CWE-122)
Weaknesses		CWE-122
References		https://helpx.adobe.com/security/products/substance3d_painter/apsb26-129.html
Metrics		cvssV3_1 `{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}`