high8.8
CVE-2026-65663
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 | Sharepoint Server | before 16.0.19725.20522 Versions 2016, 2019 |