Microsoft Office Online Server
199 CVEs affecting Microsoft Office Online Server. Latest disclosed: 2026-10-15. Critical: 0, High: 172.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2026-108446 | High | 8.8 | 2026-10-15 | Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. |
CVE-2026-97780 | High | 8.8 | 2026-10-13 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. |
CVE-2026-97778 | High | 8.8 | 2026-10-13 | Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. |
CVE-2026-97777 | High | 8.8 | 2026-10-13 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. |
CVE-2026-97776 | High | 8.8 | 2026-10-13 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. |
CVE-2026-97775 | High | 8.8 | 2026-10-13 | Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. |
CVE-2026-97773 | High | 8.8 | 2026-10-13 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. |
CVE-2026-97772 | High | 8.8 | 2026-10-13 | Double free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. |
CVE-2026-97771 | High | 8.8 | 2026-10-13 | Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. |
CVE-2026-97770 | High | 8.8 | 2026-10-13 | Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. |
CVE-2026-97769 | High | 8.8 | 2026-10-13 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. |
CVE-2026-97768 | High | 8.8 | 2026-10-13 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. |
CVE-2026-97767 | High | 8.8 | 2026-10-13 | Double free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. |
CVE-2026-97766 | High | 8.8 | 2026-10-13 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. |
CVE-2026-97765 | High | 8.8 | 2026-10-13 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. |
CVE-2026-97763 | High | 8.8 | 2026-10-13 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. |
CVE-2026-97762 | High | 8.8 | 2026-10-13 | Out-of-bounds write in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. |
CVE-2026-97758 | High | 8.8 | 2026-10-13 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. |
CVE-2026-97757 | High | 8.8 | 2026-10-13 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. |
CVE-2026-97756 | High | 8.8 | 2026-10-13 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network. |