---
id: CVE-2026-96848
title: >-
  Buffer over-read in Windows Win32 Kernel Subsystem allows an authorized
  attacker to disclose information locally.
summary: >-
  Buffer over-read in Windows Win32 Kernel Subsystem 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-126
vendor: microsoft
product: windows_10_1809
affected:
  - windows_10_1809 < 10.0.17763.9376
  - windows_10_21h2 < 10.0.19044.7807
  - windows_10_22h2 < 10.0.19045.7807
  - windows_11_23h2 < 10.0.22631.7652
  - windows_server_2019 < 10.0.17763.9376
  - windows_server_2022 < 10.0.20348.5761
  - windows_server_2025 < 10.0.26100.33650
patched:
  - windows_10_1809 10.0.17763.9376
  - windows_10_21h2 10.0.19044.7807
  - windows_10_22h2 10.0.19045.7807
  - windows_11_23h2 10.0.22631.7652
  - windows_server_2019 10.0.17763.9376
  - windows_server_2022 10.0.20348.5761
  - windows_server_2025 10.0.26100.33650
published: '2026-10-13'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T19:26:22.290'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-96848'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96848'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
epss: 0.00387
epssPercentile: 0.32596
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-13T19:42:53.683800Z'
ingestedAt: '2026-10-13T19:43:29.268Z'
---

## Overview

Buffer over-read in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.

## Affected

- `windows_10_1809 < 10.0.17763.9376`
- `windows_10_21h2 < 10.0.19044.7807`
- `windows_10_22h2 < 10.0.19045.7807`
- `windows_11_23h2 < 10.0.22631.7652`
- `windows_server_2019 < 10.0.17763.9376`
- `windows_server_2022 < 10.0.20348.5761`
- `windows_server_2025 < 10.0.26100.33650`

## Remediation

Upgrade past the affected range:

- `windows_10_1809 10.0.17763.9376`
- `windows_10_21h2 10.0.19044.7807`
- `windows_10_22h2 10.0.19045.7807`
- `windows_11_23h2 10.0.22631.7652`
- `windows_server_2019 10.0.17763.9376`
- `windows_server_2022 10.0.20348.5761`
- `windows_server_2025 10.0.26100.33650`