---
id: CVE-2026-109468
title: ASP.NET Core Denial of Service Vulnerability
summary: >-
  Allocation of resources without limits or throttling in ASP.NET Core allows an
  unauthorized attacker to deny service over a network.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-770
vendor: Microsoft
product: Microsoft Visual Studio 2022 version 17.14
affected:
  - visual_studio_2022_version_17.14 >= 17.14.0 < 17.14.42
  - visual_studio_2026_version_18.10 >= 18.10.0 < 18.10.4
  - System.Formats.Cbor >= 10.0.0 < 10.0.13
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-16T01:02:29.736327Z'
published: '2026-10-15'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T23:14:50.159Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-109468'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109468'
    label: ASP.NET Core Denial of Service Vulnerability
tags:
  - cve.org
epss: 0.00645
epssPercentile: 0.49872
ingestedAt: '2026-10-15T21:45:11.412Z'
---

## Overview

Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.

## Affected

- `visual_studio_2022_version_17.14 >= 17.14.0 < 17.14.42`
- `visual_studio_2026_version_18.10 >= 18.10.0 < 18.10.4`
- `System.Formats.Cbor >= 10.0.0 < 10.0.13`

## Remediation

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