---
id: CVE-2026-26149
title: Microsoft Power Apps Desktop Client Spoofing Vulnerability
summary: >-
  Improper neutralization of escape, meta, or control sequences in Microsoft
  Power Apps allows an authorized attacker to perform spoofing over a network.
severity: critical
cvss: 9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H/E:U/RL:T/RC:C'
cvssSource: cna
cwe:
  - CWE-150
vendor: Microsoft
product: Microsoft Power Apps Desktop Client
affected:
  - power_apps_desktop_client >= 1.0.0 < 3.26032.10.0
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-04-10T00:00:00+00:00'
published: '2026-04-14'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T17:24:53.708Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-26149'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26149'
    label: Microsoft Power Apps Desktop Client Spoofing Vulnerability
tags:
  - cve.org
epss: 0.00768
epssPercentile: 0.53595
ingestedAt: '2026-09-25T18:14:20.461Z'
---

## Overview

Improper neutralization of escape, meta, or control sequences in Microsoft Power Apps allows an authorized attacker to perform spoofing over a network.

## Affected

- `power_apps_desktop_client >= 1.0.0 < 3.26032.10.0`

## Remediation

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