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 Server Subscription Edition | 16.0.0 – < 16.0.20326.20278 | 16.0.20326.20278 |
Advisories 2
- WID-SEC-2026-4479 Microsoft Office: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 10, 2026
- MSRC-CVE-2026-109464 Microsoft Office SharePoint Remote Code Execution Vulnerability Microsoft Security Response Center · Nov 10, 2026
References
- Microsoft Office SharePoint Remote Code Execution Vulnerability vendor-advisory patch