CVE-2024-47432: Adobe Substance 3D Painter RCE Vulnerability

CVE-2024-47432 Overview

CVE-2024-47432 is an out-of-bounds write vulnerability [CWE-787] affecting Adobe Substance 3D Painter versions 10.1.0 and earlier. The flaw allows arbitrary code execution in the context of the current user when a victim opens a malicious file. Adobe published the fix in security bulletin APSB24-86.

Exploitation requires user interaction, limiting mass exploitation scenarios. However, targeted attacks against 3D artists, game studios, and design teams remain viable through phishing or supply chain vectors involving trojanized project files.

Critical Impact
Successful exploitation yields arbitrary code execution with the privileges of the local user, enabling malware installation, credential theft, and lateral movement from creative workstations.

Affected Products

Adobe Substance 3D Painter 10.1.0 and earlier (Windows)
Adobe Substance 3D Painter 10.1.0 and earlier (macOS)
Adobe Substance 3D Painter installations across all supported platforms prior to the APSB24-86 patch

Discovery Timeline

2024-11-12 - CVE-2024-47432 published to the National Vulnerability Database
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2024-47432

Vulnerability Analysis

CVE-2024-47432 is classified as an out-of-bounds write [CWE-787]. Substance 3D Painter writes data past the boundary of an allocated memory buffer while parsing a crafted project or asset file. This memory corruption condition allows an attacker to overwrite adjacent data structures, function pointers, or return addresses on the stack or heap.

Because Substance 3D Painter processes complex proprietary 3D file formats containing textures, meshes, and layered materials, parsers must handle many nested structures with size fields and offsets. When a size or index field is not validated before a write operation, the process writes attacker-controlled bytes outside the intended buffer.

The attack vector is local: the target must open a malicious file supplied by the attacker. This is consistent with the CVSS attack complexity being low but requiring user interaction.

Root Cause

The root cause is insufficient bounds checking during file parsing. Adobe's advisory identifies the defect as CWE-787 (Out-of-Bounds Write) without disclosing the specific parser routine. Malformed length or offset values in a crafted file cause the application to write beyond an allocated buffer, corrupting adjacent memory.

Attack Vector

An attacker crafts a malicious Substance 3D Painter file and delivers it through phishing, compromised asset marketplaces, or shared project repositories. When the victim opens the file, the vulnerable parser triggers the out-of-bounds write. Combined with a suitable memory layout, the attacker achieves code execution as the current user.

No public proof-of-concept exploit is available at time of writing, and the vulnerability is not listed in the CISA Known Exploited Vulnerabilities catalog.

See the Adobe Security Update APSB24-86 for vendor technical guidance.

Detection Methods for CVE-2024-47432

Indicators of Compromise

Unexpected child processes spawned by Adobe Substance 3D Painter.exe (or Substance 3D Painter on macOS), especially shells, script interpreters, or rundll32
Crashes or abnormal termination of Substance 3D Painter shortly after opening files received from untrusted sources
Substance 3D Painter making outbound network connections to non-Adobe infrastructure following file open events

Detection Strategies

Monitor endpoint telemetry for process lineage anomalies where Substance 3D Painter is the parent of interpreters, LOLBins, or unsigned binaries
Flag file writes to persistence locations (Run keys, LaunchAgents, Startup folders) originating from the Substance 3D Painter process
Alert on Substance 3D Painter loading unusual DLLs from user-writable paths

Monitoring Recommendations

Ingest process, file, and network telemetry from creative workstations into a centralized SIEM or data lake for correlation
Track software inventory to identify hosts running Substance 3D Painter 10.1.0 or earlier and prioritize them for patching
Baseline normal Substance 3D Painter behavior to make deviation-based alerts actionable

How to Mitigate CVE-2024-47432

Immediate Actions Required

Update Adobe Substance 3D Painter to the version specified in APSB24-86 on all Windows and macOS endpoints
Restrict opening of Substance 3D Painter project files received from external, unverified sources until patching is complete
Communicate the risk to design and creative teams, who are the primary targets for social-engineering delivery of malicious project files

Patch Information

Adobe released fixed versions in security bulletin APSB24-86. Users should upgrade through the Creative Cloud desktop application or download the latest release directly from Adobe. Refer to the Adobe Security Update APSB24-86 for exact fixed version numbers and download links.

Workarounds

No official workaround exists; patching is the only supported remediation path
If patching is delayed, isolate systems running vulnerable versions from sensitive network segments and enforce application allowlisting
Enable operating system exploit mitigations such as Windows Exploit Protection (DEP, ASLR, CFG) to raise the cost of successful exploitation

bash

# Verify installed Substance 3D Painter version on Windows via PowerShell
Get-ItemProperty "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*" |
  Where-Object { $_.DisplayName -like "*Substance 3D Painter*" } |
  Select-Object DisplayName, DisplayVersion, Publisher