CVE-2026-122172 · Infrastructure
NO FIX YET
Microsoft Trace Data Helper has a use-after-free memory flaw that lets an already-authorized local user elevate their privileges. An attacker who already has a foothold on the machine can gain higher system rights.
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.
Only users with local access to a Windows machine running the affected Trace Data Helper component can exploit this, since the attacker must already be authorized on the system. The sources do not state which Windows versions or product builds are affected.
Not affected if no-local-access
Who cares windows
Unknown from the sources. In the analyst’s queue.
No fix yet, per the sources.
Use after free in Microsoft Trace Data Helper 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.