---
id: CVE-2026-70119
title: >-
  Out-of-bounds read in Windows DNS allows an authorized attacker to execute
  code over a network.
summary: >-
  Out-of-bounds read in Windows DNS allows an authorized attacker to execute
  code over a network.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-125
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T22:18:07.553'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-70119'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70119'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-13T19:43:29.006Z'
vendor: Microsoft
product: Windows Server 2022
affected:
  - windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5761
  - windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33650
  - >-
    windows_server_2025_server_core_installation >= 10.0.26100.0 <
    10.0.26100.33650
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-13T20:57:10.270417Z'
---

## Overview

Out-of-bounds read in Windows DNS allows an authorized attacker to execute code over a network.

## Remediation

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