Known vulnerabilities in Microsoft 365 Apps for Enterprise
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-81398 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally | 7.8 High | Sep 8, 2026 |
| CVE-2026-80082 | Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Sep 8, 2026 |
| CVE-2026-80081 | Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network | 8.8 High | Sep 8, 2026 |
| CVE-2026-80089 | Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Sep 8, 2026 |
| CVE-2026-80090 | Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Sep 8, 2026 |
| CVE-2026-80088 | Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Sep 8, 2026 |
| CVE-2026-80091 | Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Sep 8, 2026 |
| CVE-2026-80085 | Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network | 8.8 High | Sep 8, 2026 |
| CVE-2026-80087 | Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Sep 8, 2026 |
| CVE-2026-80086 | Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Sep 8, 2026 |
| CVE-2026-80080 | Double free in Microsoft Office Word allows an unauthorized attacker to execute code over a network | 8.8 High | Sep 8, 2026 |
| CVE-2026-80084 | Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Sep 8, 2026 |
| CVE-2026-78525 | Use after free in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network | 8.8 High | Sep 8, 2026 |
| CVE-2026-78526 | Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network | 8.8 High | Sep 8, 2026 |
| CVE-2026-80076 | Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Sep 8, 2026 |
| CVE-2026-80078 | Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Sep 8, 2026 |
| CVE-2026-78520 | Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network | 6.5 Medium | Sep 8, 2026 |
| CVE-2026-78524 | Out-of-bounds write in Microsoft Office allows an unauthorized attacker to execute code over a network | 8.8 High | Sep 8, 2026 |
| CVE-2026-78522 | Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Sep 8, 2026 |
| CVE-2026-80073 | Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Sep 8, 2026 |
| CVE-2026-78521 | Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network | 8.8 High | Sep 8, 2026 |
| CVE-2026-78519 | Use of uninitialized resource in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network | 8.8 High | Sep 8, 2026 |
| CVE-2026-80079 | Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Sep 8, 2026 |
| CVE-2026-78503 | Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network | 6.5 Medium | Sep 8, 2026 |
| CVE-2026-78512 | Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code over a network | 8.8 High | Sep 8, 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