---
id: CVE-2026-56642
title: Microsoft Fabric Data Warehouse Remote Code Execution Vulnerability
summary: >-
  Stack-based buffer overflow in Microsoft Fabric Data Warehouse allows an
  authorized attacker to execute code over a network.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-121
vendor: Microsoft
product: Service Fabric
affected:
  - service_fabric -
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-07-15T13:06:31.540186Z'
published: '2026-07-14'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T18:24:38.116Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-56642'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56642'
    label: Microsoft Fabric Data Warehouse Remote Code Execution Vulnerability
tags:
  - cve.org
epss: 0.00913
epssPercentile: 0.5836
ingestedAt: '2026-09-08T17:06:31.905Z'
---

## Overview

Stack-based buffer overflow in Microsoft Fabric Data Warehouse allows an authorized attacker to execute code over a network.

## Affected

- `service_fabric -`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.