8.8
High
CVE-2026-69285 Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network
Description
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft 365 Apps for Enterprise 16.0 | 16.0.1 → < 16.0.20326.20138 | 16.0.20326.20138 |
| Microsoft Office 2016 16.0 | 16.0.0 → < 16.0.5569.1000 | 16.0.5569.1000 |
| Microsoft Office 2019 16.0 | earliest → < 16.0.10417.20207 | 16.0.10417.20207 |
| Microsoft Office LTSC 2021 16.0 | 16.0.1 → < 16.0.14334.20906 | 16.0.14334.20906 |
| Microsoft Office LTSC 2024 16.0 | 16.0.0 → < 16.0.17932.20976 | 16.0.17932.20976 |
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8.8
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