CVE-2026-118142 · Infrastructure
NO FIX YET
A memory read past the end of a buffer in Windows Distributed File System lets an already-authorized local user elevate their privileges. An attacker who can log on to the machine could gain system-level control.
first public Nov 10, 2026 · 1 source
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Only Windows machines with local logon access are at risk, since the attacker must already be authorized on the system. The sources do not say whether DFS must be actively configured for the flaw to be reachable, so treat all Windows servers and workstations as in scope until Microsoft's advisory is checked.
Not affected if non-windows-systems
Who cares active-directory, dfs, windows
winver and compare it against the Microsoft update notes for this CVEGet-WindowsFeature FS-DFS-NamespaceNo fix yet, per the sources.
Out-of-bounds read in Windows Distributed File System (DFS) allows an authorized attacker to elevate privileges locally.
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