Aug 2026: Microsoft SharePoint Server Spoofing Vulnerability
CVE-2026-62839 Published on August 11, 2026
Microsoft SharePoint Server Spoofing Vulnerability
Insufficiently protected credentials in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
Weakness Type
Insufficiently Protected Credentials
The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.
Products Associated with CVE-2026-62839
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Affected Versions
Microsoft SharePoint Enterprise Server 2016:- Version 16.0.0 and below 16.0.5565.1001 is affected.
- Version 16.0.0 and below 16.0.10417.20198 is affected.
- Version 16.0.0 and below 16.0.19725.20522 is affected.