Oct 2026: Microsoft Office SharePoint Elevation of Privilege Vulnerability
CVE-2026-88164 Published on October 14, 2026
Microsoft Office SharePoint Elevation of Privilege Vulnerability
Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-88164 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-88164
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Affected Versions
Microsoft SharePoint Server Subscription Edition:- Version 16.0.0 and below 16.0.20326.20190 is affected.