CVE-2025-47126 is a high-severity vulnerability affecting Adobe FrameMaker versions 2020.8, 2022.6, and earlier. The vulnerability is classified as an out-of-bounds write (CWE-787), which occurs when the software writes data outside the boundaries of allocated memory. This type of flaw can corrupt memory, potentially allowing an attacker to execute arbitrary code within the context of the current user. The vulnerability requires user interaction, specifically that the victim opens a maliciously crafted FrameMaker file. Exploitation does not require prior authentication or elevated privileges, but the attacker must convince the user to open the malicious file, which could be delivered via email, shared drives, or other file transfer methods. The CVSS v3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability, with low attack complexity and no privileges required. Although no public exploits are currently known in the wild, the nature of the vulnerability and the widespread use of FrameMaker in technical documentation and publishing environments make this a significant threat. The lack of available patches at the time of publication increases the urgency for mitigation and monitoring.

For European organizations, the impact of this vulnerability could be substantial, especially in sectors relying heavily on Adobe FrameMaker for technical documentation, such as aerospace, automotive, manufacturing, and engineering firms. Successful exploitation could lead to arbitrary code execution, enabling attackers to steal sensitive intellectual property, disrupt document workflows, or establish persistence within corporate networks. Given the high confidentiality and integrity impact, attackers could manipulate or exfiltrate proprietary technical documents, potentially causing reputational damage and financial loss. Availability impact is also high, as exploitation could crash the application or system, interrupting critical documentation processes. The requirement for user interaction somewhat limits mass exploitation but targeted spear-phishing campaigns or supply chain attacks could be effective. European organizations with less mature cybersecurity awareness or lacking strict file handling policies are at greater risk. Additionally, the absence of patches at the time of disclosure means organizations must rely on interim mitigations, increasing exposure.

1. Implement strict email and file handling policies to reduce the risk of opening malicious FrameMaker files, including user training focused on recognizing suspicious attachments and links. 2. Employ application whitelisting and sandboxing techniques for Adobe FrameMaker to limit the impact of potential exploitation. 3. Monitor network and endpoint logs for unusual behaviors associated with FrameMaker processes, such as unexpected memory access or process spawning. 4. Restrict FrameMaker usage to trusted users and environments, and consider disabling the application on systems where it is not essential. 5. Maintain up-to-date backups of critical documentation to enable recovery in case of compromise. 6. Coordinate with Adobe for timely patch deployment once available, and subscribe to vulnerability advisories for updates. 7. Use endpoint detection and response (EDR) solutions capable of detecting exploitation attempts related to out-of-bounds memory writes. 8. Consider implementing file integrity monitoring on directories where FrameMaker files are stored or edited to detect unauthorized changes.