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microsoft windows 11 26h1 vulnerabilities, newest first, page 40

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  1. 7.8CVE-2026-50458EPSS 0.3%

    Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.

  2. 7.8CVE-2026-50457EPSS 0.3%

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

  3. 5.5CVE-2026-50456EPSS 0.5%

    Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.

  4. 5.5CVE-2026-50455EPSS 0.4%

    Use of uninitialized resource in Universal Plug and Play (upnp.dll) allows an authorized attacker to disclose information locally.

  5. 7.8CVE-2026-50454EPSS 0.4%

    Relative path traversal in Windows User Interface Core allows an authorized attacker to elevate privileges locally.

  6. 4.6CVE-2026-50453EPSS 0.5%

    Out-of-bounds read in Windows USB Audio Class driver (usbaudio.sys) allows an unauthorized attacker to disclose information with a physical attack.

  7. 8.1CVE-2026-50452EPSS 0.4%

    Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an unauthorized attacker to elevate privileges over a network.

  8. 7.8CVE-2026-50451EPSS 0.3%

    Missing authentication for critical function in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.

  9. 7.0CVE-2026-50450EPSS 0.2%

    Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Wireless Wide Area Network Service allows an authorized attacker to elevate privileges locally.

  10. 7.0CVE-2026-50449EPSS 0.3%

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

  11. 7.8CVE-2026-50448EPSS 0.5%

    Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.

  12. 9.8CVE-2026-50447EPSS 1.0%

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

  13. 7.5CVE-2026-50445EPSS 0.9%

    Buffer over-read in Windows RDP allows an unauthorized attacker to disclose information over a network.

  14. 5.5CVE-2026-50442EPSS 0.5%

    Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.

  15. 7.8CVE-2026-50441EPSS 0.3%

    Untrusted pointer dereference in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally.

  16. 7.0CVE-2026-50440EPSS 0.2%

    Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Audio Service allows an authorized attacker to elevate privileges locally.

  17. 9.8CVE-2026-50439EPSS 0.8%

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

  18. 5.5CVE-2026-50437EPSS 0.4%

    Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.

  19. 7.8CVE-2026-50436EPSS 0.3%

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

  20. 7.8CVE-2026-50435EPSS 0.3%

    Buffer over-read in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.

  21. 5.5CVE-2026-50434EPSS 0.5%

    Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker to disclose information locally.

  22. 7.8CVE-2026-50433EPSS 0.3%

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

  23. 6.5CVE-2026-50432EPSS 1.0%

    Use after free in Windows Virtual Filtering Platform (VFP) allows an authorized attacker to deny service over a network.

  24. 5.5CVE-2026-50431EPSS 0.5%

    Windows Quality of Service (QoS) Packet Scheduler Information Disclosure Vulnerability

  25. 5.5CVE-2026-50430EPSS 0.5%

    Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker to disclose information locally.

  26. 8.2CVE-2026-50429EPSS 1.1%

    Out-of-bounds read in Windows Kernel allows an unauthorized attacker to disclose information over a network.

  27. 5.5CVE-2026-50428EPSS 0.4%

    Out-of-bounds read in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to disclose information locally.

  28. 7.8CVE-2026-50427EPSS 0.3%

    Use after free in Content Delivery Manager allows an authorized attacker to elevate privileges locally.

  29. 7.8CVE-2026-50425EPSS 0.3%

    Use after free in Windows Internal System User Profile allows an authorized attacker to elevate privileges locally.

  30. 7.5CVE-2026-50424EPSS 1.2%

    Untrusted pointer dereference in Windows Domain Controller allows an unauthorized attacker to deny service over a network.

  31. 7.8CVE-2026-50423EPSS 0.3%

    Improper access control in Windows Kernel allows an authorized attacker to elevate privileges locally.

  32. 7.8CVE-2026-50422EPSS 0.3%

    Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally.

  33. 7.8CVE-2026-50421EPSS 0.3%

    Access of resource using incompatible type ('type confusion') in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges locally.

  34. 5.5CVE-2026-50420EPSS 0.4%

    Out-of-bounds read in Windows HTTP.sys allows an unauthorized attacker to disclose information locally.

  35. 3.3CVE-2026-50419EPSS 0.5%

    Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.

  36. 6.1CVE-2026-50418EPSS 0.3%

    Improper access control in Windows System allows an unauthorized attacker to bypass a security feature locally.

  37. 7.8CVE-2026-50417EPSS 0.3%

    Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.

  38. 3.3CVE-2026-50416EPSS 0.5%

    Exposure of sensitive information to an unauthorized actor in Windows Win32K allows an authorized attacker to disclose information locally.

  39. 7.5CVE-2026-50415EPSS 0.9%

    Exposure of sensitive information to an unauthorized actor in Windows Media allows an unauthorized attacker to disclose information over a network.

  40. 8.8CVE-2026-50414EPSS 0.6%

    Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Media allows an authorized attacker to elevate privileges over a network.

  41. 7.8CVE-2026-50413EPSS 0.3%

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

  42. 7.8CVE-2026-50412EPSS 0.3%

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

  43. 7.5CVE-2026-50411EPSS 1.2%

    Stack-based buffer overflow in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.

  44. 7.0CVE-2026-50410EPSS 0.3%

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

  45. 5.5CVE-2026-50409EPSS 0.5%

    Exposure of sensitive information to an unauthorized actor in Windows Overlay Filter allows an authorized attacker to disclose information locally.

  46. 7.8CVE-2026-50407EPSS 0.3%

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

  47. 7.8CVE-2026-50406EPSS 0.3%

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

  48. 7.8CVE-2026-50405EPSS 0.3%

    Insufficient granularity of access control in Windows Filtering Platform (WFP) allows an authorized attacker to elevate privileges locally.

  49. 7.0CVE-2026-50404EPSS 0.2%

    Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Media allows an authorized attacker to elevate privileges locally.

  50. 7.0CVE-2026-50403EPSS 0.2%

    Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an authorized attacker to elevate privileges locally.