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Microsoft Patch Tuesday, October 2026: the CVEs, page 12

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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. 8.8CVE-2026-70069EPSS 1.0%

    Stack-based buffer overflow in Windows DHCP Server allows an authorized attacker to execute code over a network.

  2. 8.8CVE-2026-70068EPSS 0.9%

    Heap-based buffer overflow in Windows Client-Side Caching (CSC) Service allows an unauthorized attacker to elevate privileges over a network.

  3. 7.0CVE-2026-70067EPSS 0.3%

    Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.

  4. 7.0CVE-2026-70066EPSS 0.3%

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

  5. 7.8CVE-2026-70064EPSS 0.4%

    Integer underflow (wrap or wraparound) in Windows Kerberos allows an authorized attacker to elevate privileges locally.

  6. 4.7CVE-2026-70063EPSS 0.4%

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

  7. 8.1CVE-2026-70062EPSS 0.8%

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

  8. 7.8CVE-2026-70060EPSS 0.4%

    Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.

  9. 7.8CVE-2026-70059EPSS 0.4%

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

  10. 7.5CVE-2026-70058EPSS 1.3%

    Out-of-bounds write in Windows DHCP Server allows an unauthorized attacker to execute code over a network.

  11. 5.5CVE-2026-70057EPSS 0.3%

    Incorrect authorization in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to bypass a security feature locally.

  12. 7.0CVE-2026-70056EPSS 0.3%

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

  13. 5.5CVE-2026-70055EPSS 0.9%

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

  14. 7.8CVE-2026-70054EPSS 0.5%

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

  15. 7.8CVE-2026-70052EPSS 0.4%

    Integer overflow or wraparound in Windows PowerShell allows an authorized attacker to execute code locally.

  16. 7.8CVE-2026-70051EPSS 0.4%

    Access of resource using incompatible type ('type confusion') in Windows SmartScreen allows an authorized attacker to elevate privileges locally.

  17. 8.0CVE-2026-70049EPSS 2.7%

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

  18. 7.8CVE-2026-70048EPSS 0.4%

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

  19. 7.0CVE-2026-70045EPSS 0.3%

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

  20. 5.5CVE-2026-70044EPSS 0.6%

    Out-of-bounds read in Microsoft Windows Media Foundation allows an unauthorized attacker to disclose information locally.

  21. 5.5CVE-2026-70041EPSS 0.5%

    Buffer over-read in Windows CD-ROM Driver allows an authorized attacker to disclose information locally.

  22. 8.1CVE-2026-70038EPSS 0.7%

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

  23. 8.8CVE-2026-70035EPSS 1.4%

    Deserialization of untrusted data in .NET Framework allows an unauthorized attacker to execute code over a network.

  24. 7.5CVE-2026-70033EPSS 1.3%

    Missing release of memory after effective lifetime in Remote Desktop Gateway Service allows an unauthorized attacker to deny service over a network.

  25. 7.5CVE-2026-70031EPSS 1.3%

    Heap-based buffer overflow in Windows iSCSI allows an unauthorized attacker to deny service over a network.

  26. 7.8CVE-2026-70027EPSS 0.4%

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

  27. 7.0CVE-2026-70026EPSS 0.3%

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

  28. 6.5CVE-2026-70025EPSS 1.1%

    Use after free in Windows Netlogon allows an authorized attacker to deny service over a network.

  29. 9.8CVE-2026-70024EPSS 1.0%

    Stack-based buffer overflow in Windows Internet Information Services allows an unauthorized attacker to execute code over a network.

  30. 7.8CVE-2026-70023EPSS 0.4%

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

  31. 7.0CVE-2026-70021EPSS 0.3%

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

  32. 5.5CVE-2026-70017EPSS 0.5%

    Access of resource using incompatible type ('type confusion') in Windows Secure Kernel Mode allows an authorized attacker to disclose information locally.

  33. 7.8CVE-2026-70015EPSS 0.4%

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

  34. 7.5CVE-2026-70014EPSS 0.8%

    Use after free in Windows Cryptographic Services allows an authorized attacker to execute code over a network.

  35. 8.1CVE-2026-70013EPSS 0.7%

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

  36. 7.5CVE-2026-70012EPSS 0.6%

    Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

  37. 5.5CVE-2026-70011EPSS 0.5%

    Out-of-bounds read in Windows IP Over USB Service allows an authorized attacker to disclose information locally.

  38. 7.8CVE-2026-70010EPSS 0.4%

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

  39. 7.8CVE-2026-70008EPSS 0.4%

    Integer overflow or wraparound in Windows IP Over USB Service allows an authorized attacker to elevate privileges locally.

  40. 8.8CVE-2026-70007EPSS 0.8%

    Out-of-bounds write in .NET Framework allows an unauthorized attacker to execute code over a network.

  41. 7.5CVE-2026-70006EPSS 0.6%

    Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

  42. 5.9CVE-2026-70005EPSS 0.6%

    Weak authentication in Active Directory Federation Services (AD FS) allows an unauthorized attacker to bypass a security feature over a network.

  43. 7.5CVE-2026-70004EPSS 0.6%

    Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

  44. 5.5CVE-2026-69999EPSS 0.5%

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

  45. 7.5CVE-2026-69998EPSS 0.6%

    Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

  46. 7.5CVE-2026-69997EPSS 0.6%

    Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

  47. 7.5CVE-2026-69996EPSS 0.6%

    Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

  48. 7.5CVE-2026-69995EPSS 0.6%

    Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

  49. 7.5CVE-2026-69994EPSS 0.6%

    Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

  50. 7.5CVE-2026-69992EPSS 0.6%

    Use after free in Windows Remote Desktop Services allows an unauthorized attacker to execute code over a network.

  51. 7.5CVE-2026-69991EPSS 0.6%

    Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

  52. 7.5CVE-2026-69988EPSS 0.6%

    Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

  53. 7.5CVE-2026-69987EPSS 0.6%

    Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

  54. 7.5CVE-2026-69986EPSS 0.6%

    Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

  55. 8.8CVE-2026-69985EPSS 0.8%

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

  56. 7.5CVE-2026-69984EPSS 0.6%

    Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

  57. 5.9CVE-2026-69982EPSS 0.6%

    Weak authentication in Active Directory Federation Services (AD FS) allows an unauthorized attacker to bypass a security feature over a network.

  58. 5.5CVE-2026-69979EPSS 0.4%

    Improper protection of alternate path in Windows AppX Deployment Service allows an authorized attacker to bypass a security feature locally.

  59. 5.5CVE-2026-69978EPSS 0.4%

    Null pointer dereference in Windows VMSwitch allows an authorized attacker to deny service locally.

  60. 7.0CVE-2026-69977EPSS 0.3%

    Use after free in Quality Windows Audio/Video Experience (QWAVE) service allows an authorized attacker to elevate privileges locally.

  61. 7.5CVE-2026-69976EPSS 0.6%

    Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

  62. 4.7CVE-2026-69974EPSS 0.3%

    Out-of-bounds read in Desktop Window Manager allows an authorized attacker to disclose information locally.

  63. 6.5CVE-2026-69973EPSS 0.8%

    Improper limitation of a pathname to a restricted directory ('path traversal') in Windows Libarchive allows an unauthorized attacker to perform tampering over a network.

  64. 5.5CVE-2026-69971EPSS 0.4%

    Incorrect authorization in Windows Kernel-Mode Drivers allows an authorized attacker to disclose information locally.

  65. 7.0CVE-2026-69970EPSS 0.3%

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

  66. 4.7CVE-2026-69969EPSS 0.4%

    Improper link resolution before file access ('link following') in Windows AppX Deployment Service allows an authorized attacker to disclose information locally.

  67. 6.5CVE-2026-69968EPSS 0.9%

    Relative path traversal in Windows Libarchive allows an unauthorized attacker to perform tampering over a network.

  68. 5.5CVE-2026-69967EPSS 0.5%

    Out-of-bounds read in Windows Overlay Filter allows an authorized attacker to disclose information locally.

  69. 7.8CVE-2026-69966EPSS 0.3%

    Integer overflow or wraparound in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally.

  70. 7.0CVE-2026-69964EPSS 0.3%

    Use after free in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally.

  71. 7.8CVE-2026-69963EPSS 0.3%

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

  72. 7.8CVE-2026-69959EPSS 0.4%

    Out-of-bounds read in Windows Overlay Filter allows an authorized attacker to execute code locally.

  73. 6.8CVE-2026-69958EPSS 0.5%

    Heap-based buffer overflow in Windows Overlay Filter allows an unauthorized attacker to execute code with a physical attack.

  74. 7.8CVE-2026-69957EPSS 0.4%

    Integer overflow or wraparound in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.

  75. 6.5CVE-2026-69955EPSS 1.0%

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

  76. 5.5CVE-2026-69954EPSS 0.5%

    Buffer over-read in Windows Overlay Filter allows an authorized attacker to disclose information locally.

  77. 7.8CVE-2026-69953EPSS 0.4%

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

  78. 7.8CVE-2026-69952EPSS 0.4%

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

  79. 7.8CVE-2026-69950EPSS 0.4%

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

  80. 7.8CVE-2026-69949EPSS 0.4%

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

  81. 6.8CVE-2026-69947EPSS 0.5%

    Heap-based buffer overflow in Windows Overlay Filter allows an unauthorized attacker to execute code with a physical attack.

  82. 8.8CVE-2026-69945EPSS 0.3%

    Missing authorization in Windows AppX Deployment Extensions allows an authorized attacker to elevate privileges locally.

  83. 8.8CVE-2026-69943EPSS 1.2%

    Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

  84. 7.8CVE-2026-69942EPSS 0.4%

    Buffer over-read in Windows Overlay Filter allows an authorized attacker to execute code locally.

  85. 6.5CVE-2026-69940EPSS 1.0%

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

  86. 7.0CVE-2026-69935EPSS 0.2%

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

  87. 7.8CVE-2026-69934EPSS 0.4%

    Integer overflow or wraparound in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.

  88. 7.0CVE-2026-69931EPSS 0.2%

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

  89. 7.8CVE-2026-69926EPSS 0.4%

    Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an authorized attacker to elevate privileges locally.

  90. 7.8CVE-2026-69923EPSS 0.6%

    Uncontrolled search path element in Windows AI allows an authorized attacker to elevate privileges locally.

  91. 6.5CVE-2026-69922EPSS 0.9%

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

  92. 5.5CVE-2026-69919EPSS 0.5%

    Out-of-bounds read in Windows Cryptographic Services allows an authorized attacker to disclose information locally.

  93. 7.8CVE-2026-69918EPSS 0.4%

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

  94. 7.8CVE-2026-69916EPSS 0.4%

    Integer overflow or wraparound in Windows NTFS allows an authorized attacker to elevate privileges locally.

  95. 7.0CVE-2026-69915EPSS 0.3%

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

  96. 5.5CVE-2026-69914EPSS 0.5%

    Out-of-bounds read in Windows AppX Deployment Service allows an authorized attacker to disclose information locally.

  97. 8.1CVE-2026-69913EPSS 0.7%

    Use after free in Windows TCP/IP allows an unauthorized attacker to execute code over a network.

  98. 7.8CVE-2026-69909EPSS 0.3%

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

  99. 5.5CVE-2026-69905EPSS 0.3%

    Missing authorization in Windows AppX Deployment Service allows an authorized attacker to perform tampering locally.

  100. 6.7CVE-2026-69902EPSS 0.4%

    Untrusted pointer dereference in Windows NTFS allows an authorized attacker to execute code locally.