CVE-2026-119817 · Infrastructure
NO FIX YET
A double free bug in the Windows Shell lets an attacker who already has a local account raise their privileges. The sources give no further detail on the exploit path.
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.
Windows machines where a user already has a local login can use this flaw to gain more privileges. The sources do not name affected Windows builds or the exact code path, so check the vendor advisory for the versions in scope. Machines where only trusted administrators log in carry less practical risk.
Not affected if no-local-users
Who cares self-hosted, windows
winver on the machine and compare the build against Microsoft's security update guide for this CVENo fix yet, per the sources.
Double free in Windows Shell allows an authorized attacker to elevate privileges locally.
This page as .md · .json · CVSS:3.1/AV:L/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.