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microsoft windows 11 26h1 vulnerabilities, newest first, page 44

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  1. 9.3CVE-2026-49798EPSS 0.4%

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

  2. 7.8CVE-2026-49797EPSS 0.5%

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

  3. 7.8CVE-2026-49796EPSS 0.5%

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

  4. 8.8CVE-2026-49795EPSS 0.3%

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

  5. 4.6CVE-2026-49794EPSS 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.

  6. 7.8CVE-2026-49793EPSS 0.3%

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

  7. 7.8CVE-2026-49792EPSS 0.3%

    Numeric truncation error in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.

  8. 7.8CVE-2026-49791EPSS 0.4%

    Improper link resolution before file access ('link following') in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.

  9. 7.8CVE-2026-49790EPSS 0.4%

    Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability

  10. 7.8CVE-2026-49789EPSS 0.4%

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

  11. 7.5CVE-2026-49788EPSS 1.2%

    Allocation of resources without limits or throttling in HTTP/2 allows an unauthorized attacker to deny service over a network.

  12. 7.5CVE-2026-49787EPSS 1.2%

    Allocation of resources without limits or throttling in Windows HTTP.sys allows an unauthorized attacker to deny service over a network.

  13. 7.0CVE-2026-49784EPSS 0.2%

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

  14. 7.8CVE-2026-49783EPSS 0.3%

    Improperly implemented security check for standard in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.

  15. 7.8CVE-2026-49184EPSS 0.3%

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

  16. 7.0CVE-2026-49183EPSS 0.2%

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

  17. 5.5CVE-2026-49180EPSS 0.4%

    Improper link resolution before file access ('link following') in Universal Plug and Play (upnp.dll) allows an authorized attacker to disclose information locally.

  18. 8.8CVE-2026-49178EPSS 0.9%

    Heap-based buffer overflow in Active Directory Domain Services allows an authorized attacker to execute code over a network.

  19. 7.8CVE-2026-49176EPSS 0.3%

    Improper privilege management in Windows WalletService allows an authorized attacker to elevate privileges locally.

  20. 7.8CVE-2026-49175EPSS 0.3%

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

  21. 6.1CVE-2026-49174EPSS 0.3%

    Missing authentication for critical function in Microsoft Windows DNS allows an authorized attacker to perform tampering locally.

  22. 7.8CVE-2026-49173EPSS 0.3%

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

  23. 9.8CVE-2026-49172EPSS 1.0%

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

  24. 7.8CVE-2026-49171EPSS 0.3%

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

  25. 7.8CVE-2026-49170EPSS 0.3%

    Insufficient granularity of access control in Windows StateRepository API allows an authorized attacker to elevate privileges locally.

  26. 6.8CVE-2026-49168EPSS 0.4%

    Integer overflow or wraparound in Windows Storage Spaces Direct allows an unauthorized attacker to elevate privileges with a physical attack.

  27. 7.8CVE-2026-49167EPSS 0.4%

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

  28. 7.8CVE-2026-49166EPSS 0.3%

    Use after free in Microsoft Printer Drivers allows an authorized attacker to elevate privileges locally.

  29. 7.1CVE-2026-49165EPSS 0.3%

    Use of uninitialized resource in Microsoft Windows App Store allows an authorized attacker to disclose information locally.

  30. 9.8CVE-2026-49164EPSS 0.8%

    Heap-based buffer overflow in Active Directory Domain Services allows an unauthorized attacker to execute code over a network.

  31. 7.0CVE-2026-49162EPSS 0.3%

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

  32. 7.0CVE-2026-48572EPSS 0.2%

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

  33. 7.0CVE-2026-48571EPSS 0.3%

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

  34. 7.5CVE-2026-44806EPSS 1.2%

    Missing release of memory after effective lifetime in Windows Cryptographic Services allows an unauthorized attacker to deny service over a network.

  35. 7.8CVE-2026-44800EPSS 0.2%

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

  36. 9.8CVE-2026-42990EPSS 1.0%

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

  37. 7.8CVE-2026-42982EPSS 0.3%

    Improper validation of consistency within input in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.

  38. 8.8CVE-2026-42975EPSS 0.5%

    Heap-based buffer overflow in Windows Bluetooth Port Driver allows an unauthorized attacker to execute code over an adjacent network.

  39. 8.1CVE-2026-42900EPSS 0.5%

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

  40. 5.5CVE-2026-41087EPSS 0.5%

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

  41. 5.5CVE-2026-40422EPSS 0.4%

    Use of uninitialized resource in Windows File Explorer allows an authorized attacker to disclose information locally.

  42. 8.0CVE-2026-40400EPSS 0.9%

    Relative path traversal in Windows PowerShell allows an authorized attacker to execute code over a network.

  43. 7.5CVE-2026-40378EPSS 1.2%

    Memory allocation with excessive size value in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.

  44. 5.5CVE-2026-34349EPSS 0.5%

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

  45. 6.5CVE-2026-34348EPSS 1.0%

    Protection mechanism failure in Windows Event Logging Service allows an authorized attacker to disclose information over a network.

  46. 5.5CVE-2026-34346EPSS 0.3%

    Cleartext transmission of sensitive information in Windows Ancillary Function Driver for WinSock allows an authorized attacker to disclose information locally.

  47. 5.5CVE-2026-34328EPSS 0.5%

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

  48. 5.5CVE-2026-33842EPSS 0.5%

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

  49. 6.8CVE-2026-50507EPSS 5.0%

    Missing authentication for critical function in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.

  50. 7.5CVE-2026-49160EPSS 57%

    Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network.