CVE-2026-119917 · Infrastructure
NO FIX YET
A heap-based buffer overflow in the Windows Distributed Transaction Coordinator service lets an attacker who already has an authorized local account raise their privileges. The sources give a CVSS score of 7.8 and describe only a local attack path.
first public Nov 10, 2026 · 1 source
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Affects Windows systems running the Distributed Transaction Coordinator component, where a user already holds an authorized account. The sources do not list affected Windows builds, so unknown which versions are in scope. Systems without an untrusted local user population are lower priority, but the sources do not say more.
Who cares msdtc, windows
Unknown from the sources. In the analyst’s queue.
No fix yet, per the sources.
Heap-based buffer overflow in Windows Distributed Transaction Coordinator 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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