Microsoft .NET Cryptographic Signature Verification Vulnerability Allowing Security Feature Bypass

A vulnerability exists in .NET due to improper verification of cryptographic signatures, which allows unauthorized attackers to bypass security features over a network. This vulnerability affects multiple versions of Microsoft Visual Studio, including 2022 versions 17.12 and 17.14, as well as Visual Studio 2026 version 18.7.

Impact

Exploitation of this vulnerability can lead to unauthorized bypassing of security features, specifically authentication, allowing for impersonation of users or systems.

Remediation

Users can download the security update for this vulnerability through the Microsoft Visual Studio Update Manager. For Visual Studio 2026 version 18.7, the build number is 18.7.4. For Visual Studio 2022 version 17.12, the build number is 17.12.22, and for version 17.14, it is 17.14.36.