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CWE-122: Heap-based Buffer Overflow, page 4

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The product writes past the end of a buffer that was allocated on the heap.

What the weakness is: CWE-122 at MITRE

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Show the promptExplain CWE-122: Heap-based Buffer Overflow and how to prevent and detect it in code. Use https://cwe.mitre.org/data/definitions/122.html and https://cve.bz/cve/cwe/122?via=ask-ai-copy for recent CVEs with this weakness. Cite the sources.

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  1. 6.7CVE-2026-96938EPSS 0.4%

    Heap-based buffer overflow in Windows Distributed File System (DFS) allows an authorized attacker to elevate privileges locally.

  2. 7.8CVE-2026-96929EPSS 0.5%

    Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

  3. 7.8CVE-2026-96920EPSS 0.3%

    Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.

  4. 8.8CVE-2026-96917EPSS 0.4%

    Heap-based buffer overflow in Windows PCI Bus Driver allows an authorized attacker to elevate privileges locally.

  5. 7.8CVE-2026-96916EPSS 0.4%

    Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.

  6. 8.8CVE-2026-96914EPSS 0.3%

    Integer overflow or wraparound in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

  7. 7.8CVE-2026-96913EPSS 0.4%

    Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

  8. 9.8CVE-2026-96909EPSS 1.0%

    Heap-based buffer overflow in Windows BitLocker allows an unauthorized attacker to execute code over a network.

  9. 7.0CVE-2026-96868EPSS 0.2%

    Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

  10. 6.8CVE-2026-96863EPSS 0.3%

    Heap-based buffer overflow in Windows Storage Port Driver allows an unauthorized attacker to elevate privileges with a physical attack.

  11. 7.8CVE-2026-96856EPSS 0.3%

    Heap-based buffer overflow in Windows Management Instrumentation allows an authorized attacker to elevate privileges locally.

  12. 7.8CVE-2026-96843EPSS 0.4%

    Heap-based buffer overflow in WebDAV allows an authorized attacker to elevate privileges locally.

  13. 9.8CVE-2026-96320EPSS 1.1%

    Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.

  14. 7.8CVE-2026-96318EPSS 0.3%

    Heap-based buffer overflow in Windows Resume allows an authorized attacker to elevate privileges locally.

  15. 7.8CVE-2026-96312EPSS 0.3%

    Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

  16. 7.8CVE-2026-96217EPSS 0.3%

    Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.

  17. 8.8CVE-2026-96202EPSS 0.9%

    Heap-based buffer overflow in Windows Raw Image Extension allows an unauthorized attacker to execute code over a network.

  18. 9.8CVE-2026-96113EPSS 0.9%

    Heap-based buffer overflow in DNS Server allows an unauthorized attacker to execute code over a network.

  19. 9.8CVE-2026-96096EPSS 0.7%

    Heap-based buffer overflow in Windows Media Player allows an unauthorized attacker to execute code over a network.

  20. 7.5CVE-2026-96071EPSS 0.6%

    Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.

  21. 7.5CVE-2026-88207EPSS 0.6%

    Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.

  22. 8.8CVE-2026-88202EPSS 0.8%

    Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

  23. 8.8CVE-2026-88197EPSS 0.5%

    Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.

  24. 8.8CVE-2026-88196EPSS 0.7%

    Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.

  25. 7.8CVE-2026-88193EPSS 0.3%

    Heap-based buffer overflow in Microsoft Scripting Engine allows an authorized attacker to elevate privileges locally.

  26. 8.8CVE-2026-88186EPSS 0.9%

    Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

  27. 8.1CVE-2026-88185EPSS 0.8%

    Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

  28. 7.8CVE-2026-88168EPSS 0.3%

    Heap-based buffer overflow in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally.

  29. 8.8CVE-2026-88163EPSS 0.9%

    Integer overflow or wraparound in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

  30. 8.8CVE-2026-88157EPSS 0.5%

    Heap-based buffer overflow in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.

  31. 8.8CVE-2026-88155EPSS 0.8%

    Heap-based buffer overflow in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

  32. 7.8CVE-2026-88147EPSS 0.3%

    Heap-based buffer overflow in Windows Secure Socket Tunneling Protocol (SSTP) allows an authorized attacker to elevate privileges locally.

  33. 8.8CVE-2026-88145EPSS 0.7%

    Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

  34. 7.8CVE-2026-88143EPSS 0.2%

    Heap-based buffer overflow in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.

  35. 8.8CVE-2026-88142EPSS 0.9%

    Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code over a network.

  36. 7.8CVE-2026-88128EPSS 0.4%

    Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

  37. 7.8CVE-2026-88118EPSS 0.4%

    Integer overflow or wraparound in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally.

  38. 7.0CVE-2026-88110EPSS 0.3%

    Heap-based buffer overflow in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.

  39. 7.8CVE-2026-88093EPSS 0.3%

    Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally.

  40. 7.5CVE-2026-87716EPSS 1.1%

    Heap-based buffer overflow in Windows Storage Spaces Controller allows an unauthorized attacker to deny service over a network.

  41. 7.8CVE-2026-87707EPSS 0.2%

    Heap-based buffer overflow in Windows Fax and Scan Service allows an authorized attacker to elevate privileges locally.

  42. 7.8CVE-2026-87706EPSS 0.2%

    Heap-based buffer overflow in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.

  43. 7.8CVE-2026-87699EPSS 0.4%

    Heap-based buffer overflow in Winlogon allows an authorized attacker to elevate privileges locally.

  44. 7.0CVE-2026-85943EPSS 0.2%

    Time-of-check time-of-use (toctou) race condition in Reliable Multicast Transport Driver (RMCAST) allows an authorized attacker to elevate privileges locally.

  45. 8.8CVE-2026-85936EPSS 0.5%

    Double free in Windows Shell allows an unauthorized attacker to execute code over a network.

  46. 8.8CVE-2026-85931EPSS 0.9%

    Heap-based buffer overflow in Windows Distributed File System (DFS) allows an authorized attacker to execute code over a network.

  47. 9.8CVE-2026-85928EPSS 0.6%

    Heap-based buffer overflow in Windows Volume Manager Extension Driver allows an unauthorized attacker to execute code over a network.

  48. 7.8CVE-2026-85927EPSS 0.3%

    Heap-based buffer overflow in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.

  49. 7.8CVE-2026-85915EPSS 0.3%

    Heap-based buffer overflow in Windows PCI Bus Driver allows an authorized attacker to elevate privileges locally.

  50. 7.8CVE-2026-85908EPSS 0.4%

    Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.