---
id: CVE-2026-62687
title: >-
  Improper link resolution before file access ('link following') in Windows
  Backup Engine allows an authorized attacker to disclose information locally.
summary: >-
  Improper link resolution before file access ('link following') in Windows
  Backup Engine allows an authorized attacker to disclose information locally.
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-59
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T22:17:38.493'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-62687'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62687'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-13T19:43:28.948Z'
vendor: Microsoft
product: Windows 10 Version 21H2
affected:
  - windows_10_version_21h2 >= 10.0.19044.0 < 10.0.19044.7807
  - windows_10_version_22h2 >= 10.0.19045.0 < 10.0.19044.7807
  - windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7652
  - windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7652
  - windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.9711
  - windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.9711
  - windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.3231
  - windows_11_version_26h2 >= 10.0.26300.0 < 10.0.26300.9711
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-13T21:10:42.466961Z'
epss: 0.00495
epssPercentile: 0.42242
---

## Overview

Improper link resolution before file access ('link following') in Windows Backup Engine allows an authorized attacker to disclose information locally.

## Remediation

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