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CWE-416: Use After Free, page 19

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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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.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

Ask an AI about CWE-416

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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.

Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this weakness's id and public links.

  1. 9.6CVE-2026-87646EPSS 0.5%

    Use after free in Web Authentication in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

  2. 8.3CVE-2026-87639EPSS 0.4%

    Use after free in WebPackaging in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security…

  3. 9.6CVE-2026-87637EPSS 0.5%

    Use after free in Extensions in Google Chrome on on Mac prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

  4. 9.6CVE-2026-87634EPSS 0.5%

    Use after free in WebPackaging in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Low)

  5. 8.6CVE-2026-87633EPSS 0.2%

    Use after free in Views in Google Chrome prior to 153.0.8010.36 allowed a local attacker to execute arbitrary code outside the sandbox via UI Interaction. (Chromium security severity: High)

  6. 8.3CVE-2026-87628EPSS 0.2%

    Use after free in Cast in Google Chrome prior to 153.0.8010.36 allowed an adjacent attacker to potentially execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: Critical)

  7. 8.8CVE-2026-87625EPSS 0.4%

    Use after free in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to execute arbitrary code inside the sandbox via a crafted Chrome extension. (Chromium security severity: Medium)

  8. 8.8CVE-2026-87617EPSS 0.4%

    Use after free in DevTools in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Low)

  9. 9.6CVE-2026-87609EPSS 0.4%

    Use after free in Sharing in Google Chrome on on iOS prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: Medium)

  10. 9.6CVE-2026-87607EPSS 0.5%

    Use after free in Device in Google Chrome on on Mac prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

  11. 8.8CVE-2026-87588EPSS 0.4%

    Use after free in Chromecast in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

  12. 8.8CVE-2026-87587EPSS 0.4%

    Use after free in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

  13. 9.6CVE-2026-87581EPSS 0.5%

    Use after free in Payments in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

  14. 8.3CVE-2026-87578EPSS 0.2%

    Use after free in Receiver in Google Chrome prior to 153.0.8010.36 allowed an adjacent attacker to execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: High)

  15. 9.6CVE-2026-87558EPSS 0.5%

    Use after free in Payments in Google Chrome on on Mac prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

  16. 8.8CVE-2026-87542EPSS 0.4%

    Use after free in Input in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

  17. 8.8CVE-2026-87536EPSS 0.4%

    Use after free in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

  18. 8.1CVE-2026-87533EPSS 0.1%

    Use after free in DevTools in Google Chrome prior to 153.0.8010.36 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: Medium)

  19. 9.6CVE-2026-87526EPSS 0.4%

    Use after free in Passwords in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via UI Interaction. (Chromium security severity: Medium)

  20. 8.3CVE-2026-87524EPSS 0.4%

    Use after free in Core in Google Chrome on on Windows prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium se…

  21. 9.6CVE-2026-87520EPSS 0.5%

    Use after free in Dawn in Google Chrome on on Android prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

  22. 8.1CVE-2026-87514EPSS 0.1%

    Use after free in Views in Google Chrome prior to 153.0.8010.36 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: High)

  23. 9.6CVE-2026-87512EPSS 0.5%

    Use after free in ANGLE in Google Chrome on on Windows prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

  24. 9.6CVE-2026-87504EPSS 0.4%

    Use after free in Core in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted Chrome extension. (Chromium security severity: Medium)

  25. 9.6CVE-2026-87494EPSS 0.5%

    Use after free in Browser in Google Chrome on on Windows prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Med…

  26. 9.6CVE-2026-87488EPSS 0.5%

    Use after free in WebGL in Google Chrome on on Android prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

  27. 8.3CVE-2026-87480EPSS 0.4%

    Use after free in Printing in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security sev…

  28. 9.6CVE-2026-87474EPSS 0.5%

    Use after free in Payments in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

  29. 9.6CVE-2026-87464EPSS 0.6%

    Use after free in WebGL in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

  30. 8.8CVE-2026-87460EPSS 0.4%

    Use after free in Platform in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

  31. 9.6CVE-2026-87455EPSS 0.5%

    Use after free in Aura in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

  32. 9.6CVE-2026-87448EPSS 0.5%

    Use after free in DevTools in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Low)

  33. 7.8CVE-2026-81990EPSS 0.4%

    Acrobat Reader 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 malicious file.

  34. 7.8CVE-2026-81989EPSS 0.4%

    Acrobat Reader 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 malicious file.

  35. 7.8CVE-2026-81988EPSS 0.4%

    Acrobat Reader 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 malicious file.

  36. 7.8CVE-2026-81986EPSS 0.4%

    Acrobat Reader 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 malicious file.

  37. 7.8CVE-2026-81985EPSS 0.4%

    Acrobat Reader 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 malicious file.

  38. 5.5CVE-2026-81984EPSS 0.3%

    Acrobat Reader is affected by a Use After Free vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this issue requires user inter…

  39. 7.8CVE-2026-81976EPSS 0.4%

    Acrobat Reader 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 malicious file.

  40. 7.8CVE-2026-81975EPSS 0.4%

    Acrobat Reader 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 malicious file.

  41. 7.8CVE-2026-81973EPSS 0.4%

    Acrobat Reader 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 malicious file.

  42. 5.5CVE-2026-80162EPSS 0.3%

    Acrobat Reader is affected by a Use After Free vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this issue requires user inter…

  43. 7.8CVE-2026-79909EPSS 0.4%

    Acrobat Reader 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 malicious file.

  44. 7.0CVE-2026-85360EPSS 0.3%

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

  45. 8.1CVE-2026-83997EPSS 0.7%

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

  46. 7.8CVE-2026-83979EPSS 0.3%

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

  47. 7.8CVE-2026-83968EPSS 0.3%

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

  48. 7.0CVE-2026-83940EPSS 0.3%

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

  49. 7.8CVE-2026-81954EPSS 0.5%

    Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

  50. 7.0CVE-2026-80093EPSS 0.3%

    Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.