---
id: CVE-2026-50528
title: .NET Security Feature Bypass Vulnerability
summary: >-
  Incorrect authorization in .NET allows an unauthorized attacker to bypass a
  security feature over a network.
severity: high
cvss: 8.2
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N/E:U/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-863
  - CWE-302
  - CWE-636
vendor: Microsoft
product: .NET 10.0
affected:
  - .net_10.0 >= 10.0.0 < 10.0.10
  - .net_8.0 >= 8.0.0 < 8.0.29
  - .net_9.0 >= 9.0.0 < 9.0.18
  - visual_studio_2022_version_17.12 >= 17.12.0 < 17.12.22
  - visual_studio_2022_version_17.14 >= 17.14.0 < 17.14.36
  - visual_studio_2026_version_18.7 >= 18.0 < 18.7.4
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-07-15T14:23:31.469063Z'
published: '2026-07-14'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T18:23:19.863Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-50528'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50528'
    label: .NET Security Feature Bypass Vulnerability
  - url: 'https://github.com/dotnet/runtime/security/advisories/GHSA-qvw7-jm5c-6hqw'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-50528'
  - url: 'https://github.com/dotnet/announcements/issues/417'
  - url: 'https://github.com/dotnet/runtime/issues/130713'
  - url: 'https://github.com/advisories/GHSA-qvw7-jm5c-6hqw'
tags:
  - cve.org
  - ghsa
  - nuget
epss: 0.00609
epssPercentile: 0.4687
aliases:
  - GHSA-qvw7-jm5c-6hqw
ecosystem: nuget
patched:
  - Microsoft.NetCore.App.Runtime.linux-arm 10.0.10
  - Microsoft.NetCore.App.Runtime.linux-arm64 10.0.10
  - Microsoft.NetCore.App.Runtime.linux-musl-arm 10.0.10
  - Microsoft.NetCore.App.Runtime.linux-musl-arm64 10.0.10
  - Microsoft.NetCore.App.Runtime.linux-musl-x64 10.0.10
  - Microsoft.NetCore.App.Runtime.linux-x64 10.0.10
  - Microsoft.NetCore.App.Runtime.osx-arm64 10.0.10
  - Microsoft.NetCore.App.Runtime.osx-x64 10.0.10
  - Microsoft.NetCore.App.Runtime.win-arm 10.0.10
  - Microsoft.NetCore.App.Runtime.win-arm64 10.0.10
  - Microsoft.NetCore.App.Runtime.win-x64 10.0.10
  - Microsoft.NetCore.App.Runtime.win-x86 10.0.10
  - Microsoft.NetCore.App.Runtime.linux-arm 9.0.18
  - Microsoft.NetCore.App.Runtime.linux-arm64 9.0.18
  - Microsoft.NetCore.App.Runtime.linux-musl-arm 9.0.18
  - Microsoft.NetCore.App.Runtime.linux-musl-arm64 9.0.18
  - Microsoft.NetCore.App.Runtime.linux-musl-x64 9.0.18
  - Microsoft.NetCore.App.Runtime.linux-x64 9.0.18
  - Microsoft.NetCore.App.Runtime.osx-arm64 9.0.18
  - Microsoft.NetCore.App.Runtime.osx-x64 9.0.18
  - Microsoft.NetCore.App.Runtime.win-arm 9.0.18
  - Microsoft.NetCore.App.Runtime.win-arm64 9.0.18
  - Microsoft.NetCore.App.Runtime.win-x64 9.0.18
  - Microsoft.NetCore.App.Runtime.win-x86 9.0.18
  - Microsoft.NetCore.App.Runtime.linux-arm 8.0.29
  - Microsoft.NetCore.App.Runtime.linux-arm64 8.0.29
  - Microsoft.NetCore.App.Runtime.linux-musl-arm 8.0.29
  - Microsoft.NetCore.App.Runtime.linux-musl-arm64 8.0.29
  - Microsoft.NetCore.App.Runtime.linux-musl-x64 8.0.29
  - Microsoft.NetCore.App.Runtime.linux-x64 8.0.29
  - Microsoft.NetCore.App.Runtime.osx-arm64 8.0.29
  - Microsoft.NetCore.App.Runtime.osx-x64 8.0.29
  - Microsoft.NetCore.App.Runtime.win-arm 8.0.29
  - Microsoft.NetCore.App.Runtime.win-arm64 8.0.29
  - Microsoft.NetCore.App.Runtime.win-x64 8.0.29
  - Microsoft.NetCore.App.Runtime.win-x86 8.0.29
ingestedAt: '2026-07-20T23:44:02.777Z'
---

## Overview

Incorrect authorization in .NET allows an unauthorized attacker to bypass a security feature over a network.

## Affected

- `.net_10.0 >= 10.0.0 < 10.0.10`
- `.net_8.0 >= 8.0.0 < 8.0.29`
- `.net_9.0 >= 9.0.0 < 9.0.18`
- `visual_studio_2022_version_17.12 >= 17.12.0 < 17.12.22`
- `visual_studio_2022_version_17.14 >= 17.14.0 < 17.14.36`
- `visual_studio_2026_version_18.7 >= 18.0 < 18.7.4`

## Remediation

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

## Package advisory (CVE-2026-50528)

Affected packages:

- `Microsoft.NetCore.App.Runtime.linux-arm >= 10.0.0, <= 10.0.9`
- `Microsoft.NetCore.App.Runtime.linux-arm64 >= 10.0.0, <= 10.0.9`
- `Microsoft.NetCore.App.Runtime.linux-musl-arm >= 10.0.0, <= 10.0.9`
- `Microsoft.NetCore.App.Runtime.linux-musl-arm64 >= 10.0.0, <= 10.0.9`
- `Microsoft.NetCore.App.Runtime.linux-musl-x64 >= 10.0.0, <= 10.0.9`
- `Microsoft.NetCore.App.Runtime.linux-x64 >= 10.0.0, <= 10.0.9`
- `Microsoft.NetCore.App.Runtime.osx-arm64 >= 10.0.0, <= 10.0.9`
- `Microsoft.NetCore.App.Runtime.osx-x64 >= 10.0.0, <= 10.0.9`
- `Microsoft.NetCore.App.Runtime.win-arm >= 10.0.0, <= 10.0.9`
- `Microsoft.NetCore.App.Runtime.win-arm64 >= 10.0.0, <= 10.0.9`
- `Microsoft.NetCore.App.Runtime.win-x64 >= 10.0.0, <= 10.0.9`
- `Microsoft.NetCore.App.Runtime.win-x86 >= 10.0.0, <= 10.0.9`
- `Microsoft.NetCore.App.Runtime.linux-arm >= 9.0.0, <= 9.0.17`
- `Microsoft.NetCore.App.Runtime.linux-arm64 >= 9.0.0, <= 9.0.17`
- `Microsoft.NetCore.App.Runtime.linux-musl-arm >= 9.0.0, <= 9.0.17`
- `Microsoft.NetCore.App.Runtime.linux-musl-arm64 >= 9.0.0, <= 9.0.17`
- `Microsoft.NetCore.App.Runtime.linux-musl-x64 >= 9.0.0, <= 9.0.17`
- `Microsoft.NetCore.App.Runtime.linux-x64 >= 9.0.0, <= 9.0.17`
- `Microsoft.NetCore.App.Runtime.osx-arm64 >= 9.0.0, <= 9.0.17`
- `Microsoft.NetCore.App.Runtime.osx-x64 >= 9.0.0, <= 9.0.17`
- `Microsoft.NetCore.App.Runtime.win-arm >= 9.0.0, <= 9.0.17`
- `Microsoft.NetCore.App.Runtime.win-arm64 >= 9.0.0, <= 9.0.17`
- `Microsoft.NetCore.App.Runtime.win-x64 >= 9.0.0, <= 9.0.17`
- `Microsoft.NetCore.App.Runtime.win-x86 >= 9.0.0, <= 9.0.17`
- `Microsoft.NetCore.App.Runtime.linux-arm >= 8.0.0, <= 8.0.28`
- `Microsoft.NetCore.App.Runtime.linux-arm64 >= 8.0.0, <= 8.0.28`
- `Microsoft.NetCore.App.Runtime.linux-musl-arm >= 8.0.0, <= 8.0.28`
- `Microsoft.NetCore.App.Runtime.linux-musl-arm64 >= 8.0.0, <= 8.0.28`
- `Microsoft.NetCore.App.Runtime.linux-musl-x64 >= 8.0.0, <= 8.0.28`
- `Microsoft.NetCore.App.Runtime.linux-x64 >= 8.0.0, <= 8.0.28`
- `Microsoft.NetCore.App.Runtime.osx-arm64 >= 8.0.0, <= 8.0.28`
- `Microsoft.NetCore.App.Runtime.osx-x64 >= 8.0.0, <= 8.0.28`
- `Microsoft.NetCore.App.Runtime.win-arm >= 8.0.0, <= 8.0.28`
- `Microsoft.NetCore.App.Runtime.win-arm64 >= 8.0.0, <= 8.0.28`
- `Microsoft.NetCore.App.Runtime.win-x64 >= 8.0.0, <= 8.0.28`
- `Microsoft.NetCore.App.Runtime.win-x86 >= 8.0.0, <= 8.0.28`

Patched in:

- `Microsoft.NetCore.App.Runtime.linux-arm 10.0.10`
- `Microsoft.NetCore.App.Runtime.linux-arm64 10.0.10`
- `Microsoft.NetCore.App.Runtime.linux-musl-arm 10.0.10`
- `Microsoft.NetCore.App.Runtime.linux-musl-arm64 10.0.10`
- `Microsoft.NetCore.App.Runtime.linux-musl-x64 10.0.10`
- `Microsoft.NetCore.App.Runtime.linux-x64 10.0.10`
- `Microsoft.NetCore.App.Runtime.osx-arm64 10.0.10`
- `Microsoft.NetCore.App.Runtime.osx-x64 10.0.10`
- `Microsoft.NetCore.App.Runtime.win-arm 10.0.10`
- `Microsoft.NetCore.App.Runtime.win-arm64 10.0.10`
- `Microsoft.NetCore.App.Runtime.win-x64 10.0.10`
- `Microsoft.NetCore.App.Runtime.win-x86 10.0.10`
- `Microsoft.NetCore.App.Runtime.linux-arm 9.0.18`
- `Microsoft.NetCore.App.Runtime.linux-arm64 9.0.18`
- `Microsoft.NetCore.App.Runtime.linux-musl-arm 9.0.18`
- `Microsoft.NetCore.App.Runtime.linux-musl-arm64 9.0.18`
- `Microsoft.NetCore.App.Runtime.linux-musl-x64 9.0.18`
- `Microsoft.NetCore.App.Runtime.linux-x64 9.0.18`
- `Microsoft.NetCore.App.Runtime.osx-arm64 9.0.18`
- `Microsoft.NetCore.App.Runtime.osx-x64 9.0.18`
- `Microsoft.NetCore.App.Runtime.win-arm 9.0.18`
- `Microsoft.NetCore.App.Runtime.win-arm64 9.0.18`
- `Microsoft.NetCore.App.Runtime.win-x64 9.0.18`
- `Microsoft.NetCore.App.Runtime.win-x86 9.0.18`
- `Microsoft.NetCore.App.Runtime.linux-arm 8.0.29`
- `Microsoft.NetCore.App.Runtime.linux-arm64 8.0.29`
- `Microsoft.NetCore.App.Runtime.linux-musl-arm 8.0.29`
- `Microsoft.NetCore.App.Runtime.linux-musl-arm64 8.0.29`
- `Microsoft.NetCore.App.Runtime.linux-musl-x64 8.0.29`
- `Microsoft.NetCore.App.Runtime.linux-x64 8.0.29`
- `Microsoft.NetCore.App.Runtime.osx-arm64 8.0.29`
- `Microsoft.NetCore.App.Runtime.osx-x64 8.0.29`
- `Microsoft.NetCore.App.Runtime.win-arm 8.0.29`
- `Microsoft.NetCore.App.Runtime.win-arm64 8.0.29`
- `Microsoft.NetCore.App.Runtime.win-x64 8.0.29`
- `Microsoft.NetCore.App.Runtime.win-x86 8.0.29`

Source: https://github.com/advisories/GHSA-qvw7-jm5c-6hqw