---
id: CVE-2026-66310
title: >-
  External control of file name or path in Microsoft Edge for Android allows an
  unauthorized attacker to disclose information locally.
summary: >-
  External control of file name or path in Microsoft Edge for Android allows an
  unauthorized attacker to disclose information locally.
severity: high
cvss: 7.7
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-73
vendor: microsoft
product: edge
affected:
  - edge < 151.0.4129.59
patched:
  - edge 151.0.4129.59
published: '2026-08-04'
updated: '2026-09-17'
sourceUpdated: '2026-09-17T23:18:04.310'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-66310'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66310'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-08-05T03:57:18.900692Z'
epss: 0.00364
epssPercentile: 0.27545
ingestedAt: '2026-09-08T17:06:31.926Z'
---

## Overview

External control of file name or path in Microsoft Edge for Android allows an unauthorized attacker to disclose information locally.

## Affected

- `edge < 151.0.4129.59`

## Remediation

Upgrade past the affected range:

- `edge 151.0.4129.59`