CVE-2025-53771
Medium
Description
Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Microsoft Sharepoint Server
PublishedJul 20, 2025
First seenJul 20, 2025
Weakness typeCWE-287Improper authentication
How to fix
Update
- microsoft sharepoint_server16.0.18526.20508 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft sharepoint_server | v < 16.0.18526.20508, 2016, 2019 | 16.0.18526.20508 |
Check your version
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