CVE-2026-7405 in AutoCAD
Summary
by MITRE • 08/07/2026
A maliciously crafted TIF file, when parsed through certain Autodesk products during image import, can cause an Out-of-Bounds Read in the image handling library. A malicious actor can leverage this vulnerability to cause a denial of service
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Analysis
by VulDB Data Team • 08/07/2026
This vulnerability represents a critical out-of-bounds read condition that occurs when Autodesk products process specially crafted TIF image files through their image handling libraries. The flaw manifests during the import operation where the software fails to properly validate array bounds when parsing the structured data within the TIFF format. This type of vulnerability falls under CWE-129 Input Validation and is classified as a memory safety issue that can lead to unpredictable behavior in the affected applications.
The technical implementation of this vulnerability exploits the image parsing logic within Autodesk's software suite, specifically targeting the library responsible for handling raster image formats. When a malicious TIF file is imported, the parser attempts to access memory locations beyond the allocated buffer boundaries, potentially reading from invalid memory addresses. This out-of-bounds read operation can trigger application crashes or cause the software to behave erratically, which aligns with the denial of service impact described in the vulnerability report.
From an operational perspective, this vulnerability creates significant risks for organizations that rely on Autodesk products for design and drafting work. Attackers can craft malicious TIF files that, when opened or imported into applications like AutoCAD, Revit, or other Autodesk software, will cause immediate application termination or system instability. The attack vector is particularly concerning because it requires no specialized privileges beyond the ability to create or access TIF files, making it an attractive target for threat actors seeking to disrupt business operations.
The impact extends beyond simple denial of service as this vulnerability could potentially be leveraged in more sophisticated attacks. According to ATT&CK framework, this represents a technique that could be used in initial access or persistent threats where attackers establish footholds through file-based attacks. Organizations should consider this vulnerability in their threat modeling exercises and evaluate the risk of malicious actors using crafted image files to disrupt critical design workflows.
Mitigation strategies should include immediate patching of affected Autodesk software versions, implementing strict file validation protocols before importing external images, and deploying network-based protections that can detect and block suspicious TIF file patterns. Additionally, organizations should consider restricting user permissions for image import operations and implementing sandboxed environments for handling potentially malicious files. The vulnerability highlights the importance of proper input validation in image processing libraries and serves as a reminder of the security considerations inherent in multimedia file handling within enterprise applications.
The root cause of this vulnerability demonstrates the complexity of image format parsing, where even seemingly benign file types can contain embedded structures that trigger memory safety issues. This underscores the need for comprehensive testing and validation of third-party libraries used in critical applications. Security teams should monitor for additional vulnerabilities in similar image processing components and ensure proper security controls are in place to prevent exploitation through file-based attack vectors. The vulnerability also emphasizes the importance of maintaining up-to-date software versions and implementing robust incident response procedures to address potential exploitation attempts.
Organizations using Autodesk products should conduct immediate assessments of their exposure to this vulnerability, particularly focusing on environments where users have unrestricted access to import external image files. Implementation of automated scanning tools that can detect potentially malicious TIF files should be prioritized alongside traditional antivirus solutions. The vulnerability serves as a reminder that even specialized software applications are not immune to memory safety issues and require continuous security monitoring to prevent exploitation attempts that could compromise operational continuity.