8.8
High
CVE-2026-102858 Heap-based buffer overflow in Microsoft Office OneNote allows an unauthorized attacker to execute code over a network
Description
Heap-based buffer overflow in Microsoft Office OneNote allows an unauthorized attacker to execute code over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft Office 365 for Mac 1.0 | 1.0.0 → < 16.114.26101123 | 16.114.26101123 |
| Microsoft Office LTSC for Mac 2021 16.0 | 16.0.1 → < 16.114.26101123 | 16.114.26101123 |
| Microsoft Office LTSC for Mac 2024 16.0 | 16.0.0 → < 16.114.26101123 | 16.114.26101123 |
References
- Microsoft Office OneNote Remote Code Execution Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
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