---
id: CVE-2026-83885
title: >-
  Inadequate encryption strength in Windows Virtualization-Based Security (VBS)
  Enclave allows an authorized attacker to perform spoofing locally.
summary: >-
  Inadequate encryption strength in Windows Virtualization-Based Security (VBS)
  Enclave allows an authorized attacker to perform spoofing locally.
severity: medium
cvss: 5.6
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N'
cwe:
  - CWE-326
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T23:18:35.447'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-83885'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83885'
    label: secure@microsoft.com
tags:
  - nvd
ingestedAt: '2026-10-13T19:43:29.131Z'
---

## Overview

Inadequate encryption strength in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to perform spoofing locally.

## Remediation

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