CVE-2026-96052 · Infrastructure
NO FIX YET
An integer underflow in the Windows kernel lets a user who already has an account on the machine raise their privileges. The attacker gets the rights of a more powerful account, which can mean full control of the system.
first public Nov 10, 2026 · 1 source
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Any Windows machine where people or services have a local login can be exposed, since the attacker must already be authorized on the system. Servers and workstations both fall in scope. unknown for the exact affected builds, which the sources do not list.
Not affected if no-local-accounts
Who cares windows, windows-server
winver and compare it against the fixed build in Microsoft's advisory for CVE-2026-96052wmic qfe list or Settings > Windows Update > Update historyNo fix yet, per the sources.
Integer underflow (wrap or wraparound) in Windows Kernel 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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