---
id: CVE-2026-70348
title: Windows Management Services Denial of Service Vulnerability
summary: >-
  Improper link resolution before file access ('link following') in Windows
  Management Services allows an authorized attacker to deny service locally.
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-59
vendor: Microsoft
product: Windows 11 Version 24H2
affected:
  - windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.9168
  - windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.9168
  - windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.2704
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-08-12T13:44:43.587370Z'
published: '2026-08-11'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T13:45:51.412Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-70348'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70348'
    label: Windows Management Services Denial of Service Vulnerability
tags:
  - cve.org
epss: 0.00425
epssPercentile: 0.36414
ingestedAt: '2026-09-08T19:08:49.657Z'
---

## Overview

Improper link resolution before file access ('link following') in Windows Management Services allows an authorized attacker to deny service locally.

## Affected

- `windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.9168`
- `windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.9168`
- `windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.2704`

## Remediation

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