CVE-2026-0874
📋 TL;DR
This vulnerability allows attackers to execute arbitrary code by tricking users into opening malicious CATPART files in affected Autodesk products. Users of Autodesk software that processes CATPART files are affected, particularly those in engineering and design roles.
💻 Affected Systems
- Autodesk products that parse CATPART files
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution with the same privileges as the current user, potentially leading to full system compromise.
Likely Case
Application crash or data corruption from malicious files, with potential for limited code execution.
If Mitigated
Application crash only, with no code execution due to security controls like ASLR or DEP.
🎯 Exploit Status
Exploitation requires user interaction to open malicious file. No public exploit code available at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: See vendor advisory for specific patched versions
Vendor Advisory: https://www.autodesk.com/trust/security-advisories/adsk-sa-2026-0004
Restart Required: Yes
Instructions:
1. Visit the Autodesk security advisory page
2. Identify affected products and versions
3. Download and apply the latest security updates
4. Restart affected applications
🔧 Temporary Workarounds
Block CATPART file extensions
allPrevent processing of CATPART files at the system or network level
User awareness training
allTrain users not to open CATPART files from untrusted sources
🧯 If You Can't Patch
- Implement application whitelisting to prevent unauthorized code execution
- Use network segmentation to isolate systems running vulnerable software
🔍 How to Verify
Check if Vulnerable:
Check installed Autodesk product versions against vendor advisoryCheck Version:
Check within Autodesk application Help > About or use vendor-specific version checking toolsVerify Fix Applied:
Verify installed version matches or exceeds patched version from advisory📡 Detection & Monitoring
Log Indicators:
- Application crashes when opening CATPART files
- Unexpected process termination events
Network Indicators:
- Downloads of CATPART files from untrusted sources
SIEM Query:
EventID=1000 OR EventID=1001 AND ProcessName contains 'Autodesk' AND ExceptionCode=0xC0000005