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Microsoft Patch Tuesday, October 2026: the CVEs, page 4

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Microsoft Patch Tuesday October 2026: the CVEs Microsoft published on 13 October 2026, the second Tuesday of the month, with CVSS, EPSS, CISA KEV and public exploits to show what to patch first. Narrow it: in CISA KEV · critical. The same day: Adobe, SAP. Earlier: Sep 2026, Aug 2026, Jul 2026, Jun 2026, May 2026, Apr 2026, Mar 2026, Feb 2026, Jan 2026, Dec 2025, Nov 2025, Oct 2025. Other lists: CISA KEV list, CVE exploit search, Latest critical CVEs, Ransomware CVEs, New CVEs today, This week, Patch Tuesday

  1. 7.8CVE-2026-88194EPSS 0.3%

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

  2. 7.8CVE-2026-88193EPSS 0.3%

    Heap-based buffer overflow in Microsoft Scripting Engine allows an authorized attacker to elevate privileges locally.

  3. 6.5CVE-2026-88192EPSS 0.9%

    Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

  4. 7.8CVE-2026-88191EPSS 0.4%

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

  5. 6.5CVE-2026-88190EPSS 0.9%

    Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

  6. 7.8CVE-2026-88189EPSS 0.2%

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

  7. 7.8CVE-2026-88188EPSS 0.3%

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

  8. 8.8CVE-2026-88186EPSS 0.9%

    Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

  9. 8.1CVE-2026-88185EPSS 0.8%

    Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

  10. 6.5CVE-2026-88184EPSS 0.8%

    Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

  11. 6.5CVE-2026-88183EPSS 0.9%

    Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.

  12. 7.8CVE-2026-88182EPSS 0.3%

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

  13. 7.8CVE-2026-88181EPSS 0.3%

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

  14. 7.8CVE-2026-88180EPSS 0.2%

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

  15. 7.8CVE-2026-88179EPSS 0.3%

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

  16. 9.8CVE-2026-88178EPSS 1.0%

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

  17. 7.8CVE-2026-88177EPSS 0.2%

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

  18. 6.5CVE-2026-88175EPSS 0.8%

    Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

  19. 8.1CVE-2026-88174EPSS 0.4%

    Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Deployment Services allows an unauthorized attacker to execute code over a network.

  20. 8.1CVE-2026-88173EPSS 0.5%

    Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code over a network.

  21. 6.5CVE-2026-88172EPSS 0.9%

    Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

  22. 8.1CVE-2026-88171EPSS 0.7%

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

  23. 6.5CVE-2026-88169EPSS 0.8%

    Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.

  24. 7.8CVE-2026-88168EPSS 0.3%

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

  25. 6.5CVE-2026-88167EPSS 0.9%

    Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.

  26. 8.8CVE-2026-88166EPSS 0.9%

    Integer overflow or wraparound in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

  27. 8.8CVE-2026-88165EPSS 0.9%

    Out-of-bounds write in Active Directory Domain Services allows an authorized attacker to execute code over a network.

  28. 8.8CVE-2026-88163EPSS 0.9%

    Integer overflow or wraparound in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

  29. 5.5CVE-2026-88162EPSS 0.3%

    Improper authorization in Windows Encrypting File System (EFS) allows an authorized attacker to perform tampering locally.

  30. 7.0CVE-2026-88161EPSS 0.2%

    Use after free in Windows Local Security Authority (LSA) allows an authorized attacker to elevate privileges locally.

  31. 7.0CVE-2026-88160EPSS 0.2%

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

  32. 8.8CVE-2026-88159EPSS 1.4%

    Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code over a network.

  33. 5.5CVE-2026-88158EPSS 0.3%

    Out-of-bounds read in Microsoft Digest Authentication allows an authorized attacker to disclose information locally.

  34. 8.8CVE-2026-88157EPSS 0.5%

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

  35. 9.8CVE-2026-88156EPSS 1.2%

    Stack-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

  36. 8.8CVE-2026-88155EPSS 0.8%

    Heap-based buffer overflow in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

  37. 6.5CVE-2026-88154EPSS 0.9%

    Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

  38. 6.5CVE-2026-88153EPSS 0.8%

    Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

  39. 7.8CVE-2026-88152EPSS 0.3%

    Use after free in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally.

  40. 6.5CVE-2026-88151EPSS 0.8%

    Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

  41. 8.8CVE-2026-88150EPSS 0.8%

    Use of uninitialized resource in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

  42. 7.0CVE-2026-88149EPSS 0.2%

    Double free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

  43. 7.8CVE-2026-88147EPSS 0.3%

    Heap-based buffer overflow in Windows Secure Socket Tunneling Protocol (SSTP) allows an authorized attacker to elevate privileges locally.

  44. 7.0CVE-2026-88146EPSS 0.2%

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

  45. 8.8CVE-2026-88145EPSS 0.7%

    Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

  46. 8.8CVE-2026-88144EPSS 0.9%

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

  47. 7.8CVE-2026-88143EPSS 0.2%

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

  48. 8.8CVE-2026-88142EPSS 0.9%

    Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code over a network.

  49. 7.0CVE-2026-88141EPSS 0.2%

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

  50. 5.5CVE-2026-88140EPSS 0.4%

    Out-of-bounds read in Windows Key Storage Provider allows an authorized attacker to disclose information locally.

  51. 7.0CVE-2026-88139EPSS 0.3%

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

  52. 6.5CVE-2026-88137EPSS 1.0%

    Files or directories accessible to external parties in WebDAV allows an authorized attacker to disclose information over a network.

  53. 8.8CVE-2026-88136EPSS 1.0%

    Improper resolution of path equivalence in WebDAV allows an authorized attacker to execute code over a network.

  54. 7.8CVE-2026-88135EPSS 0.3%

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

  55. 7.8CVE-2026-88134EPSS 0.4%

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

  56. 7.8CVE-2026-88133EPSS 0.5%

    Improper authorization in Windows Portable Device Enumerator Service allows an authorized attacker to elevate privileges locally.

  57. 5.9CVE-2026-88132EPSS 0.3%

    Origin validation error in Azure Key Vault allows an unauthorized attacker to disclose information over a network.

  58. 6.5CVE-2026-88130EPSS 1.2%

    Out-of-bounds read in DNS Server allows an authorized attacker to deny service over a network.

  59. 6.5CVE-2026-88129EPSS 1.2%

    Out-of-bounds read in DNS Server allows an authorized attacker to deny service over a network.

  60. 7.8CVE-2026-88128EPSS 0.4%

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

  61. 7.0CVE-2026-88127EPSS 0.3%

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

  62. 7.8CVE-2026-88126EPSS 0.4%

    Untrusted pointer dereference in WebDAV allows an authorized attacker to elevate privileges locally.

  63. 6.5CVE-2026-88125EPSS 1.2%

    Out-of-bounds read in DNS Server allows an authorized attacker to deny service over a network.

  64. 7.0CVE-2026-88124EPSS 0.2%

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

  65. 6.5CVE-2026-88123EPSS 1.2%

    Out-of-bounds read in DNS Server allows an authorized attacker to deny service over a network.

  66. 6.5CVE-2026-88122EPSS 1.0%

    Out-of-bounds read in DNS Server allows an authorized attacker to deny service over a network.

  67. 8.8CVE-2026-88121EPSS 1.2%

    Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code over a network.

  68. 8.1CVE-2026-88120EPSS 0.8%

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

  69. 8.1CVE-2026-88119EPSS 0.8%

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

  70. 7.8CVE-2026-88118EPSS 0.4%

    Integer overflow or wraparound in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally.

  71. 8.1CVE-2026-88117EPSS 0.7%

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

  72. 8.8CVE-2026-88116EPSS 0.7%

    Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.

  73. 8.8CVE-2026-88115EPSS 0.7%

    Out-of-bounds read in Windows Server for NFS allows an unauthorized attacker to execute code over a network.

  74. 8.8CVE-2026-88114EPSS 0.7%

    Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.

  75. 7.0CVE-2026-88113EPSS 0.3%

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

  76. 8.8CVE-2026-88112EPSS 0.7%

    Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.

  77. 7.0CVE-2026-88110EPSS 0.3%

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

  78. 7.8CVE-2026-88109EPSS 0.3%

    Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.

  79. 7.0CVE-2026-88107EPSS 0.2%

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

  80. 7.0CVE-2026-88106EPSS 0.2%

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

  81. 7.8CVE-2026-88105EPSS 0.3%

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

  82. 7.0CVE-2026-88103EPSS 0.3%

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

  83. 9.8CVE-2026-88102EPSS 0.6%

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

  84. 7.8CVE-2026-88101EPSS 0.2%

    Weak authentication in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges locally.

  85. 7.8CVE-2026-88100EPSS 0.3%

    Use after free in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.

  86. 5.9CVE-2026-88099EPSS 0.8%

    Uncaught exception in Windows Failover Cluster allows an unauthorized attacker to deny service over a network.

  87. 7.0CVE-2026-88098EPSS 0.2%

    Untrusted pointer dereference in Windows Security Support Provider Interface allows an authorized attacker to elevate privileges locally.

  88. 7.0CVE-2026-88096EPSS 0.2%

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

  89. 8.1CVE-2026-88094EPSS 0.8%

    Improper neutralization of special elements in output used by a downstream component ('injection') in Azure Storage Library allows an authorized attacker to elevate privileges over a network.

  90. 7.8CVE-2026-88093EPSS 0.3%

    Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally.

  91. 9.4CVE-2026-88092EPSS 0.9%

    Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an unauthorized attacker to perform tampering over a network.

  92. 7.8CVE-2026-88091EPSS 2.9%

    Deserialization of untrusted data in Windows Management Instrumentation allows an authorized attacker to elevate privileges locally.

  93. 7.8CVE-2026-88080EPSS 0.2%

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

  94. 7.0CVE-2026-88079EPSS 0.3%

    Null pointer dereference in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.

  95. 7.0CVE-2026-88076EPSS 0.3%

    Null pointer dereference in Windows Installer allows an authorized attacker to elevate privileges locally.

  96. 8.8CVE-2026-88075EPSS 0.8%

    Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Configuration Manager allows an authorized attacker to elevate privileges over a network.

  97. 7.8CVE-2026-88074EPSS 0.3%

    Integer overflow or wraparound in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

  98. 7.8CVE-2026-88073EPSS 0.3%

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

  99. 7.8CVE-2026-88072EPSS 0.4%

    Improper access control in Windows Host Guardian Service allows an authorized attacker to elevate privileges locally.

  100. 7.8CVE-2026-88071EPSS 0.3%

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