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microsoft office online server vulnerabilities in 2026, newest first

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  1. 8.8CVE-2026-118711EPSS 1.1%

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

  2. 8.8CVE-2026-118710EPSS 0.9%

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

  3. 8.8CVE-2026-118709EPSS 0.9%

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

  4. 8.8CVE-2026-118708EPSS 0.9%

    Release of invalid pointer or reference in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

  5. 8.8CVE-2026-118707EPSS 0.9%

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

  6. 8.8CVE-2026-118706EPSS 0.9%

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

  7. 8.8CVE-2026-118705EPSS 0.9%

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

  8. 8.8CVE-2026-118704EPSS 0.9%

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

  9. 8.8CVE-2026-118703EPSS 0.9%

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

  10. 8.8CVE-2026-118701EPSS 1.1%

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

  11. 8.8CVE-2026-118700EPSS 0.9%

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

  12. 8.8CVE-2026-118302EPSS 0.9%

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

  13. 7.5CVE-2026-118301EPSS 0.7%

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

  14. 6.5CVE-2026-118300EPSS 1.0%

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

  15. 8.8CVE-2026-118299EPSS 0.9%

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

  16. 8.8CVE-2026-118298EPSS 0.9%

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

  17. 8.8CVE-2026-118297EPSS 1.0%

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

  18. 8.8CVE-2026-118296EPSS 1.1%

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

  19. 8.8CVE-2026-118295EPSS 0.9%

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

  20. 8.8CVE-2026-118294EPSS 0.9%

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

  21. 8.8CVE-2026-118293EPSS 0.9%

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

  22. 8.8CVE-2026-118292EPSS 1.1%

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

  23. 8.8CVE-2026-116927EPSS 0.9%

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

  24. 8.8CVE-2026-108446EPSS 0.6%

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

  25. 8.8CVE-2026-97780EPSS 0.8%

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

  26. 6.5CVE-2026-97779EPSS 1.0%

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

  27. 8.8CVE-2026-97778EPSS 0.6%

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

  28. 8.8CVE-2026-97777EPSS 0.8%

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

  29. 8.8CVE-2026-97776EPSS 0.8%

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

  30. 8.8CVE-2026-97775EPSS 0.8%

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

  31. 8.8CVE-2026-97773EPSS 0.8%

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

  32. 8.8CVE-2026-97772EPSS 0.8%

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

  33. 8.8CVE-2026-97771EPSS 0.7%

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

  34. 8.8CVE-2026-97770EPSS 0.7%

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

  35. 8.8CVE-2026-97769EPSS 0.9%

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

  36. 8.8CVE-2026-97768EPSS 0.9%

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

  37. 8.8CVE-2026-97767EPSS 0.6%

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

  38. 8.8CVE-2026-97766EPSS 0.8%

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

  39. 8.8CVE-2026-97765EPSS 0.8%

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

  40. 8.8CVE-2026-97763EPSS 0.9%

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

  41. 8.8CVE-2026-97762EPSS 0.9%

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

  42. 6.5CVE-2026-97760EPSS 1.0%

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

  43. 8.8CVE-2026-97758EPSS 0.6%

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

  44. 8.8CVE-2026-97757EPSS 0.9%

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

  45. 8.8CVE-2026-97756EPSS 0.9%

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

  46. 8.8CVE-2026-97755EPSS 0.8%

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

  47. 8.8CVE-2026-97754EPSS 0.7%

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

  48. 8.8CVE-2026-97753EPSS 0.8%

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

  49. 8.8CVE-2026-97752EPSS 0.7%

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

  50. 8.8CVE-2026-97751EPSS 0.5%

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