Description
Microsoft SharePoint Server on-premises contains a deserialization of untrusted data vulnerability that could allow an unauthorized attacker to execute code over a network. This vulnerability could be chained with CVE-2025-53771. CVE-2025-53770 is a patch bypass for CVE-2025-49704, and the updates for CVE-2025-53770 include more robust protection than those for CVE-2025-49704.
Full record on cve.org →Affected packages
| Package | Vendor / Product | Version range | Status |
|---|---|---|---|
| Microsoft SharePoint Enterprise Server 2016 | Microsoft / Microsoft SharePoint Enterprise Server 2016 | >= 16.0.0, < 16.0.5513.1001 | affected |
| Microsoft SharePoint Server 2019 | Microsoft / Microsoft SharePoint Server 2019 | >= 16.0.0, < 16.0.10417.20037 | affected |
| Microsoft SharePoint Server Subscription Edition | Microsoft / Microsoft SharePoint Server Subscription Edition | >= 16.0.0, < 16.0.18526.20508 | affected |