---
id: CVE-2026-42902
title: Microsoft PowerToys Elevation of Privilege Vulnerability
summary: >-
  Improper authorization in Microsoft PowerToys allows an authorized attacker to
  elevate privileges locally.
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-285
vendor: Microsoft
product: Microsoft PowerToys
affected:
  - powertoys >= 0.1 < v0.99.1
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-06-10T03:57:44.660372Z'
published: '2026-06-09'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T13:43:36.714Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-42902'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42902'
    label: Microsoft PowerToys Elevation of Privilege Vulnerability
tags:
  - cve.org
epss: 0.00291
epssPercentile: 0.21948
ingestedAt: '2026-09-24T14:44:21.433Z'
---

## Overview

Improper authorization in Microsoft PowerToys allows an authorized attacker to elevate privileges locally.

## Affected

- `powertoys >= 0.1 < v0.99.1`

## Remediation

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