---
id: "CVE-2026-119917"
page: "https://infrastack.ai/live/CVE-2026-119917"
kind: "vulnerability"
aliases: ["CVE-2026-119917"]
title: "Windows Distributed Transaction Coordinator: heap overflow lets a local user gain elevated privileges"
severity: "high"
cvss: 7.8
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["infrastructure", "msdtc", "windows"]
not_affected_if: []
published_at: "2026-11-10T19:20:13+00:00"
first_seen_at: "2026-11-10T19:25:03+00:00"
updated_at: "2026-11-10T19:40:14+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-119917", "first_seen_at": "2026-11-10T19:25:03+00:00"}]
exploit_sources: []
---

# Windows Distributed Transaction Coordinator: heap overflow lets a local user gain elevated privileges

Link for people: https://infrastack.ai/live/CVE-2026-119917 (this .md is for agents)

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.

_Summary, check and fix written by a model from the sources; labelled as such._

## Timeline

- 2026-11-10T19:25:03+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-119917

## From the sources

Heap-based buffer overflow in Windows Distributed Transaction Coordinator allows an authorized attacker to elevate privileges locally.

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