8.8
High
CVE-2026-64921 Missing authentication for critical function in Microsoft Office SharePoint allows an authorized attacker to elevate…
Description
Missing authentication for critical function in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft SharePoint Enterprise Server 2016 16.0 | 16.0.0 → < 16.0.5565.1001 | 16.0.5565.1001 |
| Microsoft SharePoint Server 2019 16.0 | 16.0.0 → < 16.0.10417.20198 | 16.0.10417.20198 |
| Microsoft SharePoint Server Subscription Edition 16.0 | 16.0.0 → < 16.0.19725.20522 | 16.0.19725.20522 |
References
- Microsoft SharePoint Server Elevation of Privilege Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
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