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CWE-416: Use After Free, page 6

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The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

What the weakness is: CWE-416 at MITRE

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Show the promptExplain CWE-416: Use After Free and how to prevent and detect it in code. Use https://cwe.mitre.org/data/definitions/416.html and https://cve.bz/cve/cwe/416?via=ask-ai-copy for recent CVEs with this weakness. Cite the sources.

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  1. 9.6CVE-2026-110149EPSS 0.4%

    Use after free in Browser in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

  2. 8.8CVE-2026-110148EPSS 0.4%

    Use after free in SVG in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

  3. 8.8CVE-2026-110147EPSS 0.3%

    Use after free in PDF in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

  4. 8.3CVE-2026-110145EPSS 0.3%

    Use after free in Passwords in Google Chrome prior to 155.0.8059.79 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

  5. 9.6CVE-2026-110142EPSS 0.3%

    Use after free in FileSystem in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

  6. 8.8CVE-2026-110139EPSS 0.3%

    Use after free in Media in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

  7. 8.3CVE-2026-110138EPSS 0.3%

    Use after free in ShapeDetection in Google Chrome prior to 155.0.8059.79 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity:…

  8. 8.8CVE-2026-110137EPSS 0.4%

    Use after free in WebRTC in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

  9. 9.6CVE-2026-110136EPSS 0.4%

    Use after free in PDF in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

  10. 7.0CVE-2026-85876EPSS 0.2%

    Use after free in SQL Server allows an authorized attacker to elevate privileges locally.

  11. 7.8CVE-2026-103843EPSS 0.2%

    Substance3D - Stager is affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a maliciou…

  12. 9.8CVE-2026-97816EPSS 1.0%

    Use after free in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.

  13. 7.8CVE-2026-97809EPSS 0.3%

    Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.

  14. 7.0CVE-2026-97808EPSS 0.3%

    Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.

  15. 7.8CVE-2026-97807EPSS 0.3%

    Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.

  16. 7.8CVE-2026-97806EPSS 0.4%

    Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.

  17. 7.5CVE-2026-97789EPSS 0.6%

    Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

  18. 8.8CVE-2026-97775EPSS 0.8%

    Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

  19. 8.8CVE-2026-97771EPSS 0.7%

    Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

  20. 8.8CVE-2026-97759EPSS 0.8%

    Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

  21. 8.8CVE-2026-97752EPSS 0.7%

    Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

  22. 8.8CVE-2026-97747EPSS 0.7%

    Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

  23. 8.8CVE-2026-97745EPSS 0.9%

    Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

  24. 6.5CVE-2026-97743EPSS 1.0%

    Use after free in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

  25. 8.8CVE-2026-97738EPSS 0.9%

    Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

  26. 8.8CVE-2026-97017EPSS 0.8%

    Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

  27. 8.8CVE-2026-97010EPSS 0.8%

    Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

  28. 7.8CVE-2026-96997EPSS 0.3%

    Use after free in Microsoft Office OneNote allows an authorized attacker to elevate privileges locally.

  29. 7.8CVE-2026-96950EPSS 0.4%

    Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.

  30. 7.8CVE-2026-96947EPSS 0.4%

    Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.

  31. 7.8CVE-2026-96946EPSS 0.4%

    Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.

  32. 7.0CVE-2026-96937EPSS 0.3%

    Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.

  33. 9.8CVE-2026-96934EPSS 0.9%

    Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network.

  34. 7.0CVE-2026-96923EPSS 0.3%

    Use after free in Windows Workstation Service allows an authorized attacker to elevate privileges locally.

  35. 7.0CVE-2026-96919EPSS 0.2%

    Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.

  36. 7.8CVE-2026-96912EPSS 0.4%

    Use after free in Windows Client License Service allows an authorized attacker to elevate privileges locally.

  37. 7.0CVE-2026-96852EPSS 0.3%

    Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.

  38. 7.8CVE-2026-96324EPSS 0.4%

    Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.

  39. 7.0CVE-2026-96323EPSS 0.3%

    Use after free in Windows Update allows an authorized attacker to elevate privileges locally.

  40. 7.0CVE-2026-96322EPSS 0.3%

    Use after free in Windows Remote Desktop Protocol allows an authorized attacker to elevate privileges locally.

  41. 7.0CVE-2026-96319EPSS 0.2%

    Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.

  42. 7.8CVE-2026-96317EPSS 0.2%

    Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

  43. 7.0CVE-2026-96310EPSS 0.3%

    Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.

  44. 7.8CVE-2026-96309EPSS 0.3%

    Use after free in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.

  45. 7.8CVE-2026-96308EPSS 0.3%

    Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.

  46. 7.0CVE-2026-96307EPSS 0.2%

    Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.

  47. 7.0CVE-2026-96305EPSS 0.2%

    Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.

  48. 7.0CVE-2026-96304EPSS 0.3%

    Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.

  49. 7.0CVE-2026-96302EPSS 0.2%

    Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.

  50. 7.0CVE-2026-96301EPSS 0.3%

    Use after free in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.