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This update resolves vulnerabilities in the Microsoft .NET Framework. A security vulnerability exists in the .NET Framework that could allow an attacker to access information at rest that should be defended by cryptographic mechanisms. This update fixes the way the Framework handles the key and therefore defends the data at rest. To learn more about the vulnerability, see Microsoft Security Bulletin MS16-155.

Additional information about this security update

The following article contains additional information about this security update as it relates to individual product versions. The article may contain known issue information.

  • 3204805 MS16-155: Description of the Security Only Update for the .NET Framework 4.6.2 for Windows 7 and Windows Server 2008 R2: December 13, 2016

Help for installing updates: Support for Microsoft Update

Security solutions for IT professionals: TechNet Security Troubleshooting and Support

Help for protecting your Windows-based computer from viruses and malware: Virus Solution and Security Center

Local support according to your country: International Support

Applies toThis article applies to the following:

  • Microsoft .NET Framework 4.6.2 when used with:

    • Windows Server 2008 R2 Service Pack 1

    • Windows 7 Service Pack 1

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