CVE-2026-109466 · Runtime
NO FIX YET
Microsoft Office SharePoint does not check authorization properly, so an attacker with a valid account on the network can raise their privileges. NVD rates it high (CVSS 8.0).
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.
Organisations running Microsoft SharePoint on-premises where users have accounts on the network. The sources do not list affected versions or configurations, so unknown.
Who cares microsoft-office, sharepoint, windows
Unknown from the sources. In the analyst’s queue.
No fix yet, per the sources.
Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over an adjacent network.
This page as .md · .json · CVSS:3.1/AV:A/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.