CVE-2026-112799 · Infrastructure
NO FIX YET
A stack-based buffer overflow in the Windows Projected File System lets a user who already has a local account raise their privileges. The sources give no more detail on the trigger or the affected Windows builds.
first public Nov 10, 2026 · 1 source
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Windows machines with the Projected File System feature in use are the systems to look at, and an attacker needs an authorized local account first. Systems where the feature is absent or disabled are likely not exposed, but the sources do not confirm this. The sources do not name affected builds.
Not affected if feature-disabled, no-local-accounts
Who cares projected-file-system, windows
winver and compare it against the patch list in Microsoft's advisory for CVE-2026-112799.Get-WindowsOptionalFeature -Online -FeatureName Client-ProjFS.No fix yet, per the sources.
Stack-based buffer overflow in Windows Projected File System 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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