CVE-2026-108407 · Infrastructure
NO FIX YET
A flaw in the Windows GDI graphics component lets an authorized local user read memory outside a buffer and elevate their privileges. An attacker needs a valid account on the machine first.
first public Nov 10, 2026 · 1 source
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Any Windows system with GDI present is in scope, since GDI is part of the core Windows graphics stack. Exposure needs a user with a local account who can already run code on the machine; machines where only trusted administrators log on carry less risk. The sources do not name affected Windows builds or the fixed update.
Not affected if no-local-untrusted-users
Who cares windows
winver and compare it against the fixed build in Microsoft's security update guide for CVE-2026-108407 (unknown from the sources)No fix yet, per the sources.
Out-of-bounds read in Windows GDI 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
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