MS16-155 – Important: Security Update for .NET Framework (3205640) – Version: 2.1

This post has been republished via RSS; it originally appeared at: Microsoft Security Bulletins.

Severity Rating: Important
Revision Note: V2.1 (February 23, 2017): Revised bulletin to announce a detection logic change to Monthly Rollup Release KB3205403 and Monthly Rollup Release KB3205404. This is an informational change only. Customers who have already successfully updated their systems do not need to take any action.
Summary: This security update resolves a vulnerability in Microsoft .NET 4.6.2 Framework’s Data Provider for SQL Server. A security vulnerability exists in Microsoft .NET Framework 4.6.2 that could allow an attacker to access information that is defended by the Always Encrypted feature.