Fix GuideMemory Safety
How to Fix CWE-416: Use After Free
Verified by Precogs Threat Research
The application references memory after it has been freed, leading to unpredictable behavior.
⚠️ Impact if Unpatched
Code execution, information disclosure, denial of service.
Step-by-Step Remediation
- Use smart pointers (unique_ptr, shared_ptr) in C++
- Set pointers to NULL immediately after freeing
- Use memory-safe languages where possible
- Enable AddressSanitizer during development and testing
- Use Precogs Binary SAST to detect UAF patterns in compiled binaries
Don't just patch one instance.
Scan your entire codebase for all instances of Use After Free.
Scan for Free with Precogs AI →Recent Vulnerabilities (CWE-416)
17 vulnerabilities in our database match Use After Free.
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CVE-2025-54896: Use After Free in Microsoft Office Excel — Spreadsheet component flaw
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CVE-2025-62555: Use After Free in Microsoft Office Word — Document parsing flaw
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CVE-2025-21386: Use After Free in Microsoft Office
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CVE-2025-53784: Use After Free in Microsoft Office Word
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CVE-2026-33150: libfuse is the reference implementation of the Linux FUSE.
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CVE-2026-32942: PJSIP is a free and open source multimedia communication library written in C.
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CVE-2026-4458: Use after free in Extensions in Google Chrome prior to 146.
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CVE-2026-4456: Use after free in Digital Credentials API in Google Chrome prior to 146.
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CVE-2026-4454: Use after free in Network in Google Chrome prior to 146.
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