Microsoft Office Online Server
280 CVEs affecting Microsoft Office Online Server. Latest disclosed: 2026-10-13. Critical: 2, High: 230.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2023-21716 | Critical | 9.8 | 2023-02-14 | Microsoft Word Remote Code Execution Vulnerability |
CVE-2019-1205 | Critical | 9.8 | 2019-08-14 | A remote code execution vulnerability exists in Microsoft Word software when it fails to properly handle objects in memory. An attacker who successfully exploi… |
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. |