high8.8
CVE-2026-85900
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Impact
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Microsoft SharePoint Server Subscription Edition | from 16.0.0 before 16.0.20326.20190 |
| Microsoft | Sharepoint Server | before 16.0.20326.20190 |