CVE-2026-96064 · Infrastructure
NO FIX YET
A heap-based buffer overflow in Microsoft's DNS Server lets an attacker who already has authorized access send crafted input over the network. A successful attack lets them execute code on the server.
first public Nov 10, 2026 · 1 source
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Only servers running the Microsoft DNS Server role are relevant; hosts that only use DNS clients or third-party DNS software are not covered by this description. The sources do not state which Windows builds are fixed, and the attacker must first be authorized on the DNS service.
Not affected if no-dns-server-role, third-party-dns-software
Who cares dns, windows, windows-server
Get-WindowsFeature DNS in PowerShell on Windows Server)No fix yet, per the sources.
Heap-based buffer overflow in DNS Server allows an authorized attacker to execute code over a network.
This page as .md · .json · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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