---
id: CVE-2026-83681
title: >-
  Weak authentication in Microsoft PowerToys allows an authorized attacker to
  perform tampering locally.
summary: >-
  Weak authentication in Microsoft PowerToys allows an authorized attacker to
  perform tampering locally.
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N'
cwe:
  - CWE-1390
published: '2026-10-13'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T17:19:22.557'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-83681'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83681'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
epss: 0.00338
epssPercentile: 0.27338
ingestedAt: '2026-10-13T19:43:29.082Z'
vendor: Microsoft
product: Microsoft PowerToys
affected:
  - powertoys >= 0.1 < 0.101.2632.0
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-14T16:28:43.319492Z'
---

## Overview

Weak authentication in Microsoft PowerToys allows an authorized attacker to perform tampering locally.

## Remediation

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