---
id: CVE-2026-83500
title: >-
  Url redirection to untrusted site ('open redirect') in Windows BitLocker
  allows an unauthorized attacker to bypass a security feature with a physical
  attack.
summary: >-
  Url redirection to untrusted site ('open redirect') in Windows BitLocker
  allows an unauthorized attacker to bypass a security feature with a physical
  attack.
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-601
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T21:18:22.700'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-83500'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83500'
    label: secure@microsoft.com
tags:
  - nvd
ingestedAt: '2026-10-13T19:43:29.058Z'
---

## Overview

Url redirection to untrusted site ('open redirect') in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.

## Remediation

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