CVE-2026-75770 in Substance 3D Painter
Summary
by MITRE • 08/25/2026
Substance3D - Painter is affected by an out-of-bounds write 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.
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Analysis
by VulDB Data Team • 08/26/2026
The identified vulnerability within Adobe Substance 3D Painter represents a critical security flaw classified as an out-of-bounds write, which falls under the Common Weakness Enumeration category CWE-787. This type of memory corruption error occurs when software writes data to a memory location beyond the intended buffer boundary, potentially overwriting adjacent memory structures such as function pointers or exception handlers. In the specific context of Substance 3D Painter, this flaw is triggered during the parsing and processing of external asset files, which are integral to the application's workflow for texturing and material creation in digital content production environments.
The operational impact of this vulnerability is severe, as successful exploitation can lead to arbitrary code execution within the security context of the currently logged-in user. This means that an attacker who successfully exploits this flaw could execute commands with the same privileges as the victim, potentially leading to full system compromise if the user operates with administrative rights or accesses sensitive data through the compromised application. The vulnerability does not require remote network interaction but rather relies on social engineering tactics where a victim must be persuaded to open a maliciously crafted file designed to trigger the memory corruption routine during its parsing phase.
From an offensive security perspective, this vulnerability aligns with MITRE ATT&CK techniques related to initial access and execution via user interaction. Specifically, it maps to Tactic TA0001 Initial Access under Technique T1566 Phishing, where malicious files are delivered as attachments or downloads. The exploitation chain typically involves crafting a specially formatted file that exploits the buffer handling logic within the application's import module. Once opened, the malformed data causes the application to write beyond allocated memory limits, allowing for control flow hijacking and subsequent payload delivery.
Mitigation strategies must focus on both technical controls and user awareness training. Administrators should ensure that Adobe Substance 3D Painter is updated to the latest version provided by Adobe Systems Incorporated, as patches are typically released to address such critical memory safety issues immediately following disclosure. Additionally, organizations should implement application whitelisting or strict file execution policies to prevent unauthorized scripts from running in conjunction with exploited binaries. Users must be educated on the risks of opening files from untrusted sources and verifying the integrity of assets before importing them into professional creative software suites.