CVE-2026-109463 · Infrastructure
NO FIX YET
Windows DNS server mishandles deserialization of untrusted data, so an attacker can send crafted input over the network. A successful attack lets the attacker execute code on the server.
first public Nov 10, 2026 · 1 source
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Organizations running Windows Server with the DNS Server role are the ones exposed; the sources do not state affected builds or whether default configuration is vulnerable. Hosts that do not run the Windows DNS role are not affected.
Not affected if no-windows-dns-role
Who cares dns, windows, windows-server
Unknown from the sources. In the analyst’s queue.
No fix yet, per the sources.
Deserialization of untrusted data in Windows DNS allows an unauthorized attacker to execute code over a network.
This page as .md · .json · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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