CVE-2026-50659 - Vulnerability Details - OpenCVE

Improper encoding or escaping of output in .NET allows an authorized attacker to perform spoofing over a network.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Microsoft	.net Visual Studio 2022 Visual Studio 2026

No data.

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No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50659

History

Tue, 14 Jul 2026 22:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 14 Jul 2026 20:00:00 +0000

Type	Values Removed	Values Added
Description		Improper encoding or escaping of output in .NET allows an authorized attacker to perform spoofing over a network.
Title		.NET Spoofing Vulnerability
First Time appeared		Microsoft Microsoft .net Microsoft visual Studio 2022 Microsoft visual Studio 2026
Weaknesses		CWE-116
CPEs		cpe:2.3:a:microsoft:.net:::::::: cpe:2.3:a:microsoft:visual_studio_2022:::::::: cpe:2.3:a:microsoft:visual_studio_2026::::::::
Vendors & Products		Microsoft Microsoft .net Microsoft visual Studio 2022 Microsoft visual Studio 2026
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50659
Metrics		cvssV3_1 `{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-07-14T19:40:15.949Z

Updated: 2026-07-14T20:48:09.399Z

Reserved: 2026-06-05T14:33:50.831Z

Link: CVE-2026-50659

Vulnrichment

Updated: 2026-07-14T20:39:40.283Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

No data.

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