Description
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2016 | 16.0.0 – < 16.0.5565.1001 | 16.0.5565.1001 |
| Microsoft | Microsoft SharePoint Server 2019 | 16.0.0 – < 16.0.10417.20198 | 16.0.10417.20198 |
| Microsoft | Microsoft SharePoint Server Subscription Edition | 16.0.0 – < 16.0.19725.20522 | 16.0.19725.20522 |
Advisories 3
- WID-SEC-2026-2762 Microsoft Office Produkte: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 23, 2026
- MSRC-CVE-2026-64901 Microsoft SharePoint Server Remote Code Execution Vulnerability Microsoft Security Response Center · Sep 9, 2026
- NCSC-2026-0286 Kwetsbaarheden verholpen in Microsoft Office NCSC-NL (Netherlands) · Aug 27, 2026
References
- Microsoft SharePoint Server Remote Code Execution Vulnerability vendor-advisory patch