Jul 2026: .NET Security Feature Bypass Vulnerability
CVE-2026-47304 Published on July 14, 2026

.NET Security Feature Bypass Vulnerability
Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.

Vendor Advisory NVD

Weakness Types

Improper Verification of Cryptographic Signature

The software does not verify, or incorrectly verifies, the cryptographic signature for data.

Insufficient Verification of Data Authenticity

The software does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.

Products Associated with CVE-2026-47304

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2026-47304 are published in these products:

Microsoft Visual Studio 2022

Microsoft Visual Studio 2026

Microsoft Net

Canonical Ubuntu Linux

Microsoft Visual Studio 2017

Microsoft Visual Studio 2019

Microsoft .NET Framework

Affected Versions

Microsoft .NET 10.0:

Version 10.0.0 and below 10.0.10 is affected.

Microsoft .NET 8.0:

Version 8.0.0 and below 8.0.29 is affected.

Microsoft .NET 9.0:

Version 9.0.0 and below 9.0.18 is affected.

Microsoft .NET Framework 3.5:

Version 3.5.0 and below 2.0.50727.8983 & 3.0.30729.8978 is affected.

Microsoft .NET Framework 3.5 AND 4.7.2:

Version 4.7.0 and below 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0 is affected.

Microsoft .NET Framework 3.5 AND 4.8:

Version 4.8.0 and below 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0 is affected.

Microsoft .NET Framework 3.5 AND 4.8.1:

Version 4.8.1 and below 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0 is affected.

Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2:

Version 4.7.0 and below 4.7.4143.0 is affected.

Microsoft .NET Framework 4.8:

Version 4.8.0 and below 4.8.4803.0 is affected.

Microsoft .NET Framework 4.8.1:

Version 4.8.0.0 and below 4.8.9340.0 is affected.

Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8):

Version - is affected.

Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10):

Version - is affected.

Microsoft Visual Studio 2022 version 17.12:

Version 17.12.0 and below 17.12.22 is affected.

Microsoft Visual Studio 2022 version 17.14:

Version 17.14.0 and below 17.14.36 is affected.

Microsoft Visual Studio 2026 version 18.5:

Version - is affected.

Microsoft Visual Studio 2026 version 18.7:

Version 18.0 and below 18.7.4 is affected.

Exploit Probability

EPSS

0.22%

Percentile

12.13%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.