Security Feature Bypass in .NET Framework by Microsoft
CVE-2026-47304

8.1HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Visual Studio 2022 Version 17.12
Microsoft Visual Studio 2022 Version 17.14
Microsoft Visual Studio 2026 Version 18.7
Vendor
CVE Published:
14 July 2026

What is CVE-2026-47304?

A security feature bypass vulnerability in the .NET framework arises from improper verification of cryptographic signatures. This flaw potentially allows unauthorized attackers to gain access and manipulate network communications without the necessary security checks, jeopardizing the integrity of the system.

Affected Version(s)

Microsoft Visual Studio 2022 version 17.12 17.12.0 < 17.12.22

Microsoft Visual Studio 2022 version 17.14 17.14.0 < 17.14.36

Microsoft Visual Studio 2026 version 18.7 18.0 < 18.7.4

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.