7.8
High
CVE-2026-70220 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally
Description
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft 365 Apps for Enterprise 16.0 | 16.0.1 → latest | No fix stated |
| Microsoft Office 365 for Mac 1.0 | 1.0.0 → < 16.114.26101123 | 16.114.26101123 |
| Microsoft Office LTSC 2021 16.0 | 16.0.1 → < 16.0.14334.20974 | 16.0.14334.20974 |
| Microsoft Office LTSC 2024 16.0 | 16.0.0 → < 16.0.17932.21056 | 16.0.17932.21056 |
| 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 Word Remote Code Execution Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
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