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microsoft windows 11 26h1 vulnerabilities, newest first, page 43

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  1. 7.8CVE-2026-54986EPSS 0.3%

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

  2. 7.5CVE-2026-54983EPSS 1.2%

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

  3. 8.8CVE-2026-54982EPSS 0.5%

    Integer underflow (wrap or wraparound) in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network.

  4. 6.8CVE-2026-54132EPSS 0.4%

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

  5. 7.8CVE-2026-54129EPSS 0.3%

    Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

  6. 8.4CVE-2026-54127EPSS 0.3%

    Use after free in Windows Hyper-V allows an unauthorized attacker to elevate privileges locally.

  7. 8.4CVE-2026-54122EPSS 0.4%

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

  8. 7.5CVE-2026-54119EPSS 1.2%

    Loop with unreachable exit condition ('infinite loop') in Windows Active Directory allows an unauthorized attacker to deny service over a network.

  9. 7.8CVE-2026-54114EPSS 0.3%

    Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.

  10. 7.0CVE-2026-54112EPSS 0.2%

    Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K allows an authorized attacker to elevate privileges locally.

  11. 7.0CVE-2026-54111EPSS 0.2%

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

  12. 7.8CVE-2026-54109EPSS 0.3%

    Integer overflow or wraparound in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.

  13. 7.0CVE-2026-54107EPSS 0.2%

    Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K allows an authorized attacker to elevate privileges locally.

  14. 7.8CVE-2026-50697EPSS 0.4%

    Exposure of sensitive information to an unauthorized actor in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

  15. 7.5CVE-2026-50696EPSS 1.2%

    Heap-based buffer overflow in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.

  16. 7.5CVE-2026-50695EPSS 1.2%

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

  17. 9.8CVE-2026-50694EPSS 0.8%

    Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to execute code over a network.

  18. 7.0CVE-2026-50384EPSS 0.2%

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

  19. 5.5CVE-2026-50381EPSS 0.4%

    Access of resource using incompatible type ('type confusion') in Composite Image File System Driver allows an authorized attacker to disclose information locally.

  20. 7.3CVE-2026-50364EPSS 0.5%

    Improper link resolution before file access ('link following') in Windows Server Backup allows an authorized attacker to elevate privileges locally.

  21. 7.0CVE-2026-50356EPSS 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.

  22. 7.1CVE-2026-50354EPSS 0.3%

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

  23. 7.8CVE-2026-50351EPSS 0.3%

    Improper access control in Windows Audio Compression Manager (ACM) allows an authorized attacker to elevate privileges locally.

  24. 5.5CVE-2026-50350EPSS 0.5%

    Exposure of sensitive information to an unauthorized actor in Windows Trusted Runtime Interface Driver allows an authorized attacker to disclose information locally.

  25. 8.8CVE-2026-50342EPSS 0.3%

    Improper access control in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.

  26. 7.8CVE-2026-50333EPSS 0.3%

    Missing authentication for critical function in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.

  27. 7.0CVE-2026-50325EPSS 0.2%

    Improper access control in Windows Win32K allows an authorized attacker to elevate privileges locally.

  28. 7.0CVE-2026-50323EPSS 0.3%

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

  29. 7.8CVE-2026-50318EPSS 0.3%

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

  30. 5.5CVE-2026-50316EPSS 0.5%

    Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to disclose information locally.

  31. 7.8CVE-2026-50311EPSS 0.3%

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

  32. 7.8CVE-2026-50308EPSS 0.5%

    Integer underflow (wrap or wraparound) in Windows NTFS allows an unauthorized attacker to execute code locally.

  33. 5.5CVE-2026-50303EPSS 0.3%

    Use of a cryptographic primitive with a risky implementation in Windows Key Guard allows an authorized attacker to bypass a security feature locally.

  34. 5.5CVE-2026-50300EPSS 0.4%

    Integer underflow (wrap or wraparound) in Windows Kernel allows an authorized attacker to disclose information locally.

  35. 6.8CVE-2026-50299EPSS 0.4%

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

  36. 6.8CVE-2026-50298EPSS 0.4%

    Integer overflow or wraparound in Windows Spaceport.sys allows an unauthorized attacker to elevate privileges with a physical attack.

  37. 7.0CVE-2026-50297EPSS 0.2%

    Improper access control in Windows Win32K allows an authorized attacker to elevate privileges locally.

  38. 7.0CVE-2026-50296EPSS 0.3%

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

  39. 5.5CVE-2026-50295EPSS 0.3%

    Improper privilege management in Microsoft Windows DNS allows an authorized attacker to bypass a security feature locally.

  40. 6.2CVE-2026-50294EPSS 0.5%

    Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an unauthorized attacker to disclose information locally.

  41. 7.8CVE-2026-50293EPSS 0.3%

    Use after free in Windows Internal Task Bar allows an authorized attacker to elevate privileges locally.

  42. 7.8CVE-2026-49808EPSS 0.2%

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

  43. 6.2CVE-2026-49807EPSS 0.5%

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

  44. 7.0CVE-2026-49806EPSS 0.2%

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

  45. 7.0CVE-2026-49805EPSS 0.2%

    Improper access control in Windows Win32K allows an authorized attacker to elevate privileges locally.

  46. 7.0CVE-2026-49803EPSS 0.2%

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

  47. 7.0CVE-2026-49802EPSS 0.2%

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

  48. 5.5CVE-2026-49801EPSS 0.4%

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

  49. 7.8CVE-2026-49800EPSS 0.3%

    Integer overflow or wraparound in Windows Web Proxy Auto-Discovery Protocol (WPAD) allows an authorized attacker to elevate privileges locally.

  50. 6.5CVE-2026-49799EPSS 1.1%

    Uncontrolled resource consumption in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to deny service over a network.