CVE-2026-27219

5.5 MEDIUM

📋 TL;DR

Substance3D Painter versions 11.1.2 and earlier contain an out-of-bounds read vulnerability that could allow memory exposure. Attackers could potentially access sensitive information from memory by tricking users into opening malicious files. This affects all users of vulnerable Substance3D Painter versions.

💻 Affected Systems

Products:
  • Adobe Substance3D Painter
Versions: 11.1.2 and earlier
Operating Systems: Windows, macOS, Linux
Default Config Vulnerable: ⚠️ Yes
Notes: All installations of affected versions are vulnerable by default. No special configuration required for exploitation.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

An attacker could extract sensitive information like credentials, encryption keys, or proprietary data from the application's memory space, leading to data breach or further system compromise.

🟠

Likely Case

Limited information disclosure from memory, potentially exposing some application data or system information but not full system compromise.

🟢

If Mitigated

With proper controls, the impact is limited to potential exposure of non-critical application data in memory.

🌐 Internet-Facing: LOW - Exploitation requires user interaction to open malicious files, making remote exploitation difficult without social engineering.
🏢 Internal Only: MEDIUM - Internal users could be targeted with malicious files via email or network shares, but still requires user interaction.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires user interaction (opening malicious file) and knowledge of memory layout. No public exploits known at this time.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 11.1.3 or later

Vendor Advisory: https://helpx.adobe.com/security/products/substance3d_painter/apsb26-25.html

Restart Required: Yes

Instructions:

1. Open Substance3D Painter. 2. Go to Help > Check for Updates. 3. Follow prompts to install version 11.1.3 or later. 4. Restart the application.

🔧 Temporary Workarounds

Restrict file opening

all

Only open Substance3D Painter files from trusted sources. Implement application whitelisting to prevent execution of malicious files.

Network segmentation

all

Isolate Substance3D Painter systems from untrusted networks and implement strict file transfer controls.

🧯 If You Can't Patch

  • Implement strict user training about opening files from untrusted sources
  • Deploy application control solutions to prevent execution of malicious files

🔍 How to Verify

Check if Vulnerable:

Check Substance3D Painter version in Help > About. If version is 11.1.2 or earlier, system is vulnerable.

Check Version:

In Substance3D Painter: Help > About

Verify Fix Applied:

Verify version is 11.1.3 or later in Help > About. Test opening known safe files to ensure functionality.

📡 Detection & Monitoring

Log Indicators:

  • Application crashes when opening files
  • Unusual memory access patterns in application logs

Network Indicators:

  • Unusual file downloads to Substance3D Painter systems
  • Suspicious file transfers to/from affected systems

SIEM Query:

source="substance3d-painter" AND (event="crash" OR event="file_open_error")

🔗 References

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