CVE-2026-110044 · Vendor
NO FIX YET
Microsoft SharePoint mishandles untrusted serialized data, so a user with a valid account can make the server execute code over the network. Sources rate it high (CVSS 8.8) and do not report active exploitation.
first public Nov 10, 2026 · 1 source
Could this affect your app?
Free first check from your website. Connect your repo for the full answer.
Organizations running Microsoft SharePoint Server on-premises where users can sign in. The sources do not name affected versions or a configuration that limits exposure. SharePoint Online is not described in the sources.
Not affected if sharepoint-online
Who cares microsoft-office, on-premises, sharepoint
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:L/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.
Check it with your coding agent
It reads this page and tells you if your code is affected.
Are you affected?
Ask from here. InfraStack checks the affected versions against your stack and answers in your inbox.
InfraStack checks the affected versions against your stack and answers in Slack, with the evidence and the fix.