CVE-2026-0874 in Shared Components
Summary
by MITRE • 02/18/2026
A maliciously crafted CATPART file, when parsed through certain Autodesk products, can force an Out-of-Bounds Write vulnerability. A malicious actor may leverage this vulnerability to cause a crash, cause data corruption, or execute arbitrary code in the context of the current process.
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Analysis
by VulDB Data Team • 02/21/2026
The vulnerability identified as CVE-2026-0874 represents a critical out-of-bounds write flaw within Autodesk products that process CATPART files. This type of vulnerability falls under the CWE-787 category of out-of-bounds write conditions, where an application attempts to write data beyond the allocated memory boundaries of a buffer. The flaw specifically manifests when Autodesk software parses maliciously crafted CATPART files, which are part of the Autodesk design and engineering file formats used extensively in computer-aided design applications. These files contain geometric data and part information that Autodesk products interpret to render 3D models and assemblies.
The technical execution of this vulnerability occurs during the file parsing phase where the application fails to properly validate the size or structure of the CATPART file contents. When a malicious actor crafts a specially formatted CATPART file, the parsing routine attempts to write data beyond the intended memory buffer, potentially overwriting adjacent memory locations. This memory corruption can lead to unpredictable behavior including application crashes, data corruption, or in more severe cases, arbitrary code execution within the context of the current process. The vulnerability is particularly concerning because it allows remote code execution without requiring user interaction beyond opening the malicious file, making it a prime target for exploitation in targeted attacks.
The operational impact of CVE-2026-0874 extends beyond simple application instability to encompass potential system compromise and data integrity threats. Organizations utilizing Autodesk products across engineering, manufacturing, and design workflows face significant risk as attackers can exploit this vulnerability to gain unauthorized access to systems containing sensitive design data. The vulnerability's exploitation can result in complete system compromise when combined with other attack vectors, as demonstrated by the ATT&CK framework's T1059.001 technique for command and scripting interpreter execution. Additionally, the widespread use of Autodesk products across industries including automotive, aerospace, and construction makes this vulnerability particularly dangerous as a single compromised system can potentially affect entire supply chains.
Mitigation strategies for CVE-2026-0874 should prioritize immediate patch management and implementation of defensive measures. Organizations should ensure all Autodesk products are updated with the latest security patches from the vendor, as this vulnerability is likely to be addressed through memory boundary validation improvements and input sanitization. Network segmentation and application whitelisting can provide additional defense layers by restricting which systems can process CATPART files and limiting the potential attack surface. Security monitoring should include detection of unusual file parsing activities and memory access patterns that may indicate exploitation attempts. The vulnerability also highlights the importance of secure coding practices and input validation as outlined in the OWASP Secure Coding Practices, particularly regarding buffer overflow prevention and memory safety mechanisms. Organizations should also implement regular security assessments of their Autodesk product environments and consider implementing sandboxing techniques to isolate file processing activities and limit potential damage from successful exploitation attempts.