CVE-2026-119953 · Infrastructure
NO FIX YET
A use-after-free bug in Windows DNS lets an attacker who already has authorized access on the machine raise their privileges. The attacker gets higher-level control of the affected Windows system.
first public Nov 10, 2026 · 1 source
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Windows systems running the DNS component, most relevant on DNS servers. The sources do not state affected builds or which configurations are exposed. Attackers must already have authorized local access, so systems without local user accounts exposed to untrusted people are lower risk.
Not affected if no-local-untrusted-users
Who cares self-hosted, windows, windows-dns
winver and compare against Microsoft's security update guide for this CVENo fix yet, per the sources.
Use after free in Windows DNS 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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