---
id: CVE-2026-103578
title: >-
  Untrusted pointer dereference in Windows Kernel allows an unauthorized
  attacker to elevate privileges with a physical attack.
summary: >-
  Untrusted pointer dereference in Windows Kernel allows an unauthorized
  attacker to elevate privileges with a physical attack.
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-822
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T22:17:26.070'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-103578'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-103578'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-13T19:43:28.905Z'
vendor: Microsoft
product: Windows 11 version 26H1
affected:
  - windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.3231
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-13T21:13:07.242139Z'
epss: 0.00464
epssPercentile: 0.40028
---

## Overview

Untrusted pointer dereference in Windows Kernel allows an unauthorized attacker to elevate privileges with a physical attack.

## Remediation

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