Description
Microsoft SharePoint contains an improper authentication vulnerability that allows an authorized attacker to perform spoofing over a network. Successfully exploitation could allow an attacker to view sensitive information and make some changes to disclosed information. This vulnerability could be chained with CVE-2025-49704. CVE-2025-53771 is a patch bypass for CVE-2025-49706, and the updates for CVE-2025-53771 include more robust protection than those for CVE-2025-49706.
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, < 16.0.5508.1000 | affected |
| Microsoft SharePoint Server 2019 | Microsoft / Microsoft SharePoint Server 2019 | >= 16.0.0, < 16.0.10417.20027 | affected |
| Microsoft SharePoint Server Subscription Edition | Microsoft / Microsoft SharePoint Server Subscription Edition | >= 16.0.0, < 16.0.18526.20424 | affected |