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.

Vendor Advisory NVD

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: Microsoft SharePoint Server 2019: Microsoft SharePoint Server Subscription Edition: