CVE-2026-50524: .NET Framework Denial of Service Vulnerability

Overview

Severity

High (CVSS 7.5)

CVSS Vector

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

Category

Denial of Service

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2026-Jul

Released

2026-07-14

Description

Improper validation of specified type of input in .NET Framework allows an unauthorized attacker to deny service over a network.

Affected Products (11)

Developer Tools

• Microsoft Visual Studio 2026 version 18.7
• .NET 10.0 installed on Mac OS
• Microsoft Visual Studio 2022 version 17.12
• .NET 10.0 installed on Linux
• .NET 8.0 installed on Windows
• .NET 8.0 installed on Linux
• .NET 8.0 installed on Mac OS
• .NET 9.0 installed on Linux
• .NET 9.0 installed on Mac OS
• .NET 9.0 installed on Windows
• Microsoft Visual Studio 2022 version 17.14

Security Updates (6)

• Release Notes
• 5104034
• Release Notes
• 5104032
• 5104033
• Release Notes

Acknowledgments

41ae55e9310ff27fa6f26af4727e5590

Revision History

• 2026-07-14: Information published.