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CVE-2026-27216 is a vulnerability affecting Adobe Substance 3D Painter, a popular 3D texturing software . The issue is classified as an Out-of-Bounds Read (CWE-125), which occurs when a program reads data from a memory location outside the intended buffer boundaries . In versions 11.1.2 and earlier, the software improperly handles memory access when processing a specially crafted file . An attacker can exploit this by creating a malicious file and employing social engineering tactics to convince a user to open it with the vulnerable application . When the file is opened, the flawed code attempts to read from a memory address that is outside the valid range for the allocated buffer. This read operation can return data that was not meant to be exposed, such as fragments of other data currently residing in memory, potentially including sensitive information like encryption keys, passwords, or portions of other documents . The vulnerability has a CVSS base score of 5.5, indicating a medium severity, with the vector string highlighting the need for user interaction and its potential to compromise confidentiality .
dailycve form:
Platform: Substance 3D Painter
Version: 11.1.2 and earlier
Vulnerability : Out-of-bounds Read
Severity: Medium (CVSS 5.5)
date: March 10, 2026
Prediction: Patched by late March 2026
What Undercode Say:
Analytics:
The vulnerability is triggered upon opening a malicious file. The exploit relies on user interaction to succeed. No public exploit is available as of the publication date . The attack vector is local, meaning the attacker must have the ability to deliver the file to the target system.
Bash Commands & Code:
Example: Check installed version of Substance 3D Painter on Linux (if installed via package manager) Note: Actual paths may vary based on installation method. grep -i "version" /opt/Adobe/Substance3D_Painter/resources/version.txt Example: Simulate finding Adobe Substance 3D Painter processes ps aux | grep -i "painter" Example: A simple bash script to check version from a Windows registry export (conceptual) This is for illustration; actual registry paths would be confirmed. cat windows_registry_export.txt | grep -A 5 "DisplayName" | grep -B 2 "Substance 3D Painter" Example: Using a tool like 'strings' to examine a suspicious file for anomalies (basic static analysis) strings suspicious_file.substance | grep -i "pattern" Example: Monitor file access patterns (strace on Linux) while opening a file in Painter strace -e open,read -p $(pgrep -f "Painter") 2>&1 | tee painter_access.log
How Exploit:
- Attacker crafts a malicious `.substance` or other supported project file.
- The file contains specific data structures designed to trigger the flaw.
- Attacker distributes the file (e.g., email, forum, website).
- User opens the file in a vulnerable version of Substance 3D Painter.
- The application reads beyond its allocated memory buffer, disclosing sensitive data to the attacker .
Protection from this CVE:
- Update Adobe Substance 3D Painter to version 11.2 or later immediately upon release.
- Avoid opening project files from untrusted or unknown sources.
- Implement endpoint detection and response (EDR) solutions to monitor application behavior.
- Use the principle of least privilege for user accounts to limit the impact of any memory exposure.
- Employ content disarm and reconstruction (CDR) tools for incoming files if available for this format.
Impact:
Successful exploitation leads to the exposure of sensitive information stored in the application’s memory . This could include confidential user data, internal application logic, or other secrets that could be used to stage further attacks or compromise intellectual property. The integrity and availability of the system are not directly impacted, but confidentiality is compromised.
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Sources:
Reported By: nvd.nist.gov
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