MS15-083: Vulnerability in Server Message Block could allow remote code execution: August 11, 2015

Applies to: Windows Server 2008 Service Pack 2Windows Server 2008 DatacenterWindows Server 2008 Enterprise

Note On September 8 2015, Microsoft re-released MS15-083 to comprehensively address issues with Security Update KB3073921. Customers running Windows Vista or Windows Server 2008 who installed the 3073921 update before the September 8 2015 re-release should reapply the update.


This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if an attacker sends a specially crafted string to SMB server error logging.

To learn more about the vulnerability, see Microsoft Security Bulletin MS15-083.

More Information

  • If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

How to obtain and install the update

Method 1: Windows Update

This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to turn on automatic updating, see
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