6.5
Medium
CVE-2026-64918 Insufficiently protected credentials in Microsoft Office allows an unauthorized attacker to perform spoofing over a…
Description
Insufficiently protected credentials in Microsoft Office allows an unauthorized attacker to perform spoofing over a network.
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 2016 16.0 | 16.0.0 → < 16.0.5569.1003 | 16.0.5569.1003 |
| Microsoft Office 2019 19.0 | 19.0.0 → latest | No fix stated |
| Microsoft Office LTSC 2021 16.0 | 16.0.1 → latest | No fix stated |
| Microsoft Office LTSC 2024 16.0 | 16.0.0 → latest | No fix stated |
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8.8
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