CVE-2026-109473 · Infrastructure
NO FIX YET
A use-after-free bug in the Windows kernel lets an attacker who already has a logged-on account on the machine raise their privileges. The sources give no detail on the exact trigger or affected builds.
first public Nov 10, 2026 · 1 source
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Any Windows machine where an untrusted or low-privileged user can log on or run code locally may be exposed. The sources do not list which Windows builds are affected or which features are needed, so the team should check the vendor's advisory for the affected versions. Machines where only administrators log on are lower risk.
Not affected if no-local-untrusted-users
Who cares kernel, windows
winver and compare it against the update list in the NVD entry for CVE-2026-109473No fix yet, per the sources.
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
This page as .md · .json · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.
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