Oct 2026: Microsoft Office SharePoint Remote Code Execution Vulnerability
CVE-2026-85900 Published on October 13, 2026
Microsoft Office SharePoint Remote Code Execution Vulnerability
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Weakness Type
What is a Marshaling, Unmarshaling Vulnerability?
The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.
CVE-2026-85900 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.
Products Associated with CVE-2026-85900
Want to know whenever a new CVE is published for Microsoft Sharepoint Server? stack.watch will email you.
Affected Versions
Microsoft SharePoint Server Subscription Edition:- Version 16.0.0 and below 16.0.20326.20190 is affected.