CVE-2025-61802 is a Use After Free vulnerability (CWE-416) identified in Adobe Substance3D - Stager, a 3D design and rendering application widely used in digital content creation. The vulnerability exists in versions 3.1.4 and earlier, where improper memory management leads to the use of freed memory, enabling an attacker to execute arbitrary code within the context of the current user. Exploitation requires the victim to open a maliciously crafted file, which triggers the vulnerability. The CVSS 3.1 base score is 7.8, reflecting high severity due to the combination of local attack vector (AV:L), low attack complexity (AC:L), no privileges required (PR:N), required user interaction (UI:R), and high impact on confidentiality, integrity, and availability (C:H/I:H/A:H). The flaw could allow attackers to run code that compromises system security, steal sensitive data, or disrupt operations. No patches or updates have been released at the time of publication, and no known exploits are reported in the wild, but the potential for exploitation is significant given the widespread use of Adobe products in creative industries. The vulnerability underscores the importance of cautious handling of files from untrusted sources and the need for timely updates once patches become available.

For European organizations, especially those in media, entertainment, and design sectors that rely on Adobe Substance3D - Stager, this vulnerability poses a significant risk. Successful exploitation could lead to unauthorized code execution, data theft, or system compromise, impacting confidentiality, integrity, and availability of critical assets. The requirement for user interaction means phishing or social engineering campaigns could be used to deliver malicious files, increasing the risk to employees handling external content. Disruption of creative workflows or exposure of intellectual property could have financial and reputational consequences. Additionally, organizations with less mature endpoint security or insufficient user awareness training are more vulnerable. The lack of a patch increases exposure time, necessitating interim mitigations. Given Adobe's strong market presence in Europe, the threat could affect a broad range of companies, from small design studios to large media corporations.

1. Until an official patch is released, restrict the opening of files from untrusted or unknown sources within Substance3D - Stager. 2. Implement application whitelisting to limit execution of unauthorized code and sandbox the Substance3D - Stager application to contain potential exploitation. 3. Conduct targeted user awareness training focused on recognizing and avoiding malicious files and phishing attempts. 4. Monitor endpoint behavior for anomalies indicative of exploitation attempts, such as unexpected process launches or memory access violations. 5. Employ network segmentation to isolate systems running Substance3D - Stager, minimizing lateral movement if compromise occurs. 6. Regularly review and update antivirus and endpoint detection and response (EDR) solutions to detect potential exploitation patterns. 7. Prepare for rapid deployment of patches once Adobe releases updates by maintaining an effective vulnerability management process. 8. Consider disabling or limiting file preview features within the application if possible, to reduce risk from malicious files.