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Microsoft Patch Tuesday, September 2026: the CVEs, page 2

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Microsoft Patch Tuesday September 2026: the CVEs Microsoft published on 8 September 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: Aug 2026, Jul 2026, Jun 2026, May 2026, Apr 2026, Mar 2026, Feb 2026, Jan 2026, Dec 2025, Nov 2025, Oct 2025, Sep 2025. Other lists: CISA KEV list, CVE exploit search, Latest critical CVEs, Ransomware CVEs, New CVEs today, This week, Patch Tuesday

  1. 7.8CVE-2026-81355EPSS 0.3%

    Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to execute code locally.

  2. 8.2CVE-2026-81354EPSS 0.3%

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

  3. 7.8CVE-2026-81353EPSS 0.5%

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

  4. 8.8CVE-2026-81352EPSS 0.6%

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

  5. 7.2CVE-2026-81349EPSS 1.0%

    Improper neutralization of special elements used in an os command ('os command injection') in Azure HDInsights allows an authorized attacker to elevate privileges over a network.

  6. 8.6CVE-2026-80097EPSS 0.5%

    Improper authentication in Microsoft Authenticator allows an unauthorized attacker to elevate privileges locally.

  7. 8.8CVE-2026-80096EPSS 0.9%

    Out-of-bounds read in Windows Remote Desktop Services allows an authorized attacker to elevate privileges over a network.

  8. 7.0CVE-2026-80093EPSS 0.3%

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

  9. 6.5CVE-2026-80091EPSS 0.9%

    Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information over a network.

  10. 6.5CVE-2026-80090EPSS 0.9%

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

  11. 6.5CVE-2026-80089EPSS 0.9%

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

  12. 6.5CVE-2026-80088EPSS 0.9%

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

  13. 6.5CVE-2026-80087EPSS 0.9%

    Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to disclose information over a network.

  14. 6.5CVE-2026-80086EPSS 0.9%

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

  15. 8.8CVE-2026-80085EPSS 0.8%

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

  16. 6.5CVE-2026-80084EPSS 0.9%

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

  17. 8.8CVE-2026-80083EPSS 0.3%

    Untrusted pointer dereference in Windows Hyper-V allows an authorized attacker to execute code locally.

  18. 6.5CVE-2026-80082EPSS 0.9%

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

  19. 8.8CVE-2026-80081EPSS 0.8%

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

  20. 8.8CVE-2026-80080EPSS 0.8%

    Double free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

  21. 6.5CVE-2026-80079EPSS 0.9%

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

  22. 6.5CVE-2026-80078EPSS 0.9%

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

  23. 8.8CVE-2026-80077EPSS 0.8%

    Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

  24. 6.5CVE-2026-80076EPSS 0.9%

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

  25. 7.8CVE-2026-80075EPSS 0.3%

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

  26. 8.8CVE-2026-80074EPSS 0.8%

    Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

  27. 6.5CVE-2026-80073EPSS 0.9%

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

  28. 8.8CVE-2026-78526EPSS 0.8%

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

  29. 8.8CVE-2026-78525EPSS 0.8%

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

  30. 8.8CVE-2026-78524EPSS 0.8%

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

  31. 7.5CVE-2026-78523EPSS 1.0%

    Use after free in Windows DNS allows an unauthorized attacker to deny service over a network.

  32. 6.5CVE-2026-78522EPSS 0.9%

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

  33. 8.8CVE-2026-78521EPSS 0.8%

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

  34. 6.5CVE-2026-78520EPSS 0.9%

    Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

  35. 8.8CVE-2026-78519EPSS 0.8%

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

  36. 8.8CVE-2026-78518EPSS 0.9%

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

  37. 8.8CVE-2026-78517EPSS 0.8%

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

  38. 4.3CVE-2026-78516EPSS 0.5%

    Insertion of sensitive information into externally-accessible file or directory in Windows Storage allows an authorized attacker to disclose information locally.

  39. 6.5CVE-2026-78515EPSS 0.9%

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

  40. 8.8CVE-2026-78514EPSS 0.8%

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

  41. 5.5CVE-2026-78513EPSS 0.5%

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

  42. 8.8CVE-2026-78512EPSS 0.8%

    Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

  43. 8.8CVE-2026-78511EPSS 0.8%

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

  44. 8.4CVE-2026-78510EPSS 0.4%

    Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

  45. 9.8CVE-2026-78509EPSS 1.0%

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

  46. 4.6CVE-2026-78508EPSS 0.5%

    Out-of-bounds read in Windows CD-ROM Driver allows an unauthorized attacker to disclose information with a physical attack.

  47. 8.8CVE-2026-78507EPSS 0.8%

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

  48. 5.5CVE-2026-78506EPSS 0.5%

    Improper null termination in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

  49. 8.8CVE-2026-78505EPSS 0.8%

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

  50. 8.8CVE-2026-78504EPSS 0.8%

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

  51. 6.5CVE-2026-78503EPSS 0.9%

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

  52. 6.5CVE-2026-78502EPSS 0.9%

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

  53. 7.0CVE-2026-78464EPSS 0.2%

    Time-of-check time-of-use (toctou) race condition in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.

  54. 8.8CVE-2026-78463EPSS 0.9%

    Improper control of generation of code ('code injection') in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

  55. 8.8CVE-2026-78462EPSS 0.8%

    Authorization bypass through user-controlled key in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.

  56. 7.4CVE-2026-78461EPSS 1.0%

    Improper limitation of a pathname to a restricted directory ('path traversal') in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.

  57. 7.0CVE-2026-78457EPSS 0.3%

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

  58. 8.8CVE-2026-78456EPSS 0.9%

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

  59. 4.3CVE-2026-78455EPSS 0.5%

    Out-of-bounds read in Xbox allows an unauthorized attacker to disclose information with a physical attack.

  60. 5.5CVE-2026-78454EPSS 0.4%

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

  61. 6.5CVE-2026-78453EPSS 0.9%

    Integer underflow (wrap or wraparound) in Microsoft Windows SCSI Class System File allows an unauthorized attacker to disclose information over a network.

  62. 4.6CVE-2026-78452EPSS 0.5%

    Out-of-bounds read in Microsoft Windows SCSI Class System File allows an unauthorized attacker to disclose information with a physical attack.

  63. 6.8CVE-2026-78451EPSS 0.4%

    Untrusted pointer dereference in Microsoft Windows SCSI Class System File allows an unauthorized attacker to elevate privileges with a physical attack.

  64. 8.1CVE-2026-78450EPSS 0.7%

    Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.

  65. 8.1CVE-2026-78449EPSS 0.7%

    Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.

  66. 7.8CVE-2026-78448EPSS 0.3%

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

  67. 7.8CVE-2026-78447EPSS 0.3%

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

  68. 7.5CVE-2026-78446EPSS 0.5%

    Use after free in Windows Distributed File System (DFS) allows an authorized attacker to execute code over a network.

  69. 9.8CVE-2026-78445EPSS 1.0%

    Use after free in Windows Services for NFS ONCRPC XDR Driver allows an unauthorized attacker to execute code over a network.

  70. 8.1CVE-2026-78444EPSS 0.7%

    Untrusted pointer dereference in Windows Failover Cluster allows an unauthorized attacker to execute code over a network.

  71. 8.8CVE-2026-78442EPSS 0.8%

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

  72. 6.5CVE-2026-78441EPSS 0.9%

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

  73. 8.8CVE-2026-78439EPSS 0.8%

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

  74. 6.5CVE-2026-77911EPSS 0.9%

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

  75. 6.5CVE-2026-77909EPSS 0.6%

    Insufficiently protected credentials in Azure CycleCloud allows an authorized attacker to disclose information over a network.

  76. 8.8CVE-2026-77908EPSS 1.0%

    Improper control of generation of code ('code injection') in Microsoft Dynamics 365 allows an authorized attacker to execute code over a network.

  77. 8.8CVE-2026-77907EPSS 0.8%

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

  78. 8.8CVE-2026-77906EPSS 0.8%

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

  79. 7.0CVE-2026-77905EPSS 0.3%

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

  80. 7.8CVE-2026-77904EPSS 0.3%

    Heap-based buffer overflow in Windows Volume Manager Extension Driver allows an authorized attacker to elevate privileges locally.

  81. 8.8CVE-2026-77901EPSS 0.8%

    Null pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

  82. 7.0CVE-2026-77899EPSS 0.3%

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

  83. 7.5CVE-2026-77898EPSS 0.6%

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

  84. 7.0CVE-2026-77897EPSS 0.3%

    Relative path traversal in Power Automate allows an authorized attacker to elevate privileges locally.

  85. 7.5CVE-2026-77896EPSS 0.7%

    Integer overflow or wraparound in Remote Desktop Client allows an unauthorized attacker to deny service over a network.

  86. 7.5CVE-2026-77895EPSS 1.2%

    Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.

  87. 7.0CVE-2026-77894EPSS 0.2%

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

  88. 7.5CVE-2026-77893EPSS 1.2%

    Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.

  89. 6.8CVE-2026-77892EPSS 0.4%

    No cwe for this issue in Windows Boot Manager allows an unauthorized attacker to elevate privileges with a physical attack.

  90. 6.4CVE-2026-77891EPSS 0.3%

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

  91. 7.5CVE-2026-77890EPSS 1.2%

    Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network.

  92. 7.5CVE-2026-77889EPSS 1.2%

    Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network.

  93. 7.5CVE-2026-77888EPSS 1.2%

    Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network.

  94. 6.4CVE-2026-77887EPSS 0.3%

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

  95. 7.5CVE-2026-77886EPSS 1.2%

    Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.

  96. 8.1CVE-2026-77505EPSS 0.7%

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

  97. 8.8CVE-2026-77504EPSS 0.8%

    Double free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

  98. 7.8CVE-2026-77503EPSS 0.3%

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

  99. 7.5CVE-2026-77502EPSS 1.2%

    Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.

  100. 7.5CVE-2026-77501EPSS 1.2%

    Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.