CVE-2026-119929 · Infrastructure
NO FIX YET
A memory-handling bug in Windows Installer lets an already-authorized local user trigger a use-after-free and elevate their privileges on the machine. The sources give no further technical detail, and an attacker needs a local account first.
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 account can potentially use this flaw to gain higher privileges. The sources do not list affected Windows versions or the specific fixed builds, so the exact exposure is unknown. Machines where only trusted administrators log in carry less practical risk.
Not affected if no-local-users
Who cares windows, windows-installer
winver and compare it against the Microsoft security update that lists this CVEGet-HotFix in PowerShellNo fix yet, per the sources.
Use after free in Windows Installer 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.