Vulnerabilities of Microsoft Office Online Server
Is your version affected?
CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-68814 | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally | 7.8 High | Aug 11, 2026 |
| CVE-2026-68812 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally | 7.8 High | Aug 11, 2026 |
| CVE-2026-68805 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally | 7.8 High | Aug 11, 2026 |
| CVE-2026-68803 | Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized… | 7.8 High | Aug 11, 2026 |
| CVE-2026-68804 | Numeric truncation error in Microsoft Office Excel allows an unauthorized attacker to execute code locally | 7.8 High | Aug 11, 2026 |
| CVE-2026-68801 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally | 7.8 High | Aug 11, 2026 |
| CVE-2026-68799 | Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to disclose information locally | 5.5 Medium | Aug 11, 2026 |
| CVE-2026-68797 | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally | 5.5 Medium | Aug 11, 2026 |
| CVE-2026-70327 | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Aug 11, 2026 |
| CVE-2026-70328 | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Aug 11, 2026 |
| CVE-2026-68815 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally | 7.8 High | Aug 11, 2026 |
| CVE-2026-68816 | Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally | 7.8 High | Aug 11, 2026 |
| CVE-2026-68811 | Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized… | 7.8 High | Aug 11, 2026 |
| CVE-2026-68810 | Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally | 7.8 High | Aug 11, 2026 |
| CVE-2026-68806 | Out-of-bounds write in Microsoft Office Excel allows an unauthorized attacker to execute code locally | 7.8 High | Aug 11, 2026 |
| CVE-2026-68808 | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally | 5.5 Medium | Aug 11, 2026 |
| CVE-2026-68802 | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally | 5.5 Medium | Aug 11, 2026 |
| CVE-2026-68807 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally | 7.8 High | Aug 11, 2026 |
| CVE-2026-68800 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally | 7.8 High | Aug 11, 2026 |
| CVE-2026-68795 | Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally | 7.8 High | Aug 11, 2026 |
| CVE-2026-68796 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally | 7.8 High | Aug 11, 2026 |
| CVE-2026-68793 | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally | 7.8 High | Aug 11, 2026 |
| CVE-2026-68794 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally | 7.8 High | Aug 11, 2026 |
| CVE-2026-65807 | Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized… | 8.8 High | Aug 11, 2026 |
| CVE-2026-55949 | Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally | 7.8 High | Jul 14, 2026 |
Other Microsoft products
Windows Server 2019 5745
Windows Server 2019 (Server Core installation) 5648
Windows 10 Version 1809 5349
Windows Server 2022 5112
Windows Server 2016 5051
Windows Server 2016 (Server Core installation) 4847
Windows 10 Version 21H2 4539
Windows 10 Version 1607 4535
Windows Server 2012 R2 4103
Windows 10 Version 22H2 4041
Windows Server 2012 R2 (Server Core installation) 3958
Windows Server 2012 3865