WINDOWS DHCP CLIENT · CVE-2026-88240 · Infrastructure
NO FIX YET
A heap-based buffer overflow in the Windows DHCP Client lets an attacker who already has authorized access and is on the adjacent network raise their privileges. The sources do not describe a remote code path from the open internet.
first public Nov 10, 2026 · 1 source
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Windows machines that use DHCP to get network settings are the systems to look at, since the client is the flawed component. The sources do not say which Windows builds are affected, and they do not say whether machines with static addressing are safe. unknown
Who cares dhcp, windows
Unknown from the sources. In the analyst’s queue.
No fix yet, per the sources.
Heap-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges over an adjacent network.
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