CVE-2026-120000 · Vendor
NO FIX YET
Microsoft SharePoint deserializes untrusted data without proper checks, so an attacker with a valid account can run code over the network. The attacker gets code execution on the server that hosts the affected SharePoint component.
first public Nov 10, 2026 · 1 source
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Organizations running Microsoft SharePoint (Office SharePoint) on premises where users can authenticate to the server over the network. The sources do not state affected versions or the exact configuration required, so whether a given deployment is exposed is unknown.
Not affected if sharepoint-online
Who cares on-prem, sharepoint, windows
Unknown from the sources. In the analyst’s queue.
No fix yet, per the sources.
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
This page as .md · .json · CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.
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