MicrosoftKB3179577MS16-100: Security update for Secure Boot: August 9, 2016
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<html><body><p>Resolves a vulnerability in Windows that could allow security feature bypass if an attacker installs an affected boot manager and bypasses Windows security features.</p><h2>Summary</h2><div>This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow security feature bypass if an attacker installs an affected boot manager and bypasses Windows security features. <br /><br />To learn more about the vulnerability, see <a href=“https://technet.microsoft.com/library/security/ms16-100” target=“_self”>Microsoft Security Bulletin MS16-100</a>. </div><h2>More Information</h2><div><span>Important</span><br /><br /><ul><li>All future security and non-security updates for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 require update <a href=“https://support.microsoft.com/en-us/help/2919355” target=“_self”>2919355</a> to be installed. We recommend that you install update <a href=“https://support.microsoft.com/en-us/help/2919355” target=“_self”>2919355</a> on your Windows RT 8.1-based, Windows 8.1-based, or Windows Server 2012 R2-based computer so that you receive future updates. </li><li>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 <a href=“https://technet.microsoft.com/en-us/library/hh825699” target=“_self”>Add language packs to Windows</a>.<br /></li></ul></div><h2>Additional information about this security update</h2><div><br />The following articles contain additional information about this security update as it relates to individual product versions. The articles may contain known issue information.<br /><br /><ul><li><a href=“https://support.microsoft.com/help/3172729” target=“_self”>3172729</a> MS16-100: Description of the security update for Secure Boot: August 9, 2016<br /><br /><br />Known issues in security update 3172729:<br /><br /><ul><li>When you try to install this security update, you may receive an error message that resembles the following:<br /><br /><br /><div>The update is not applicable to your computer<br /></div></li><li>If you are running Windows 10 Version 1607 (Anniversary Edition), the Hyper-V firmware will already have the TP5 boot manager blacklisted. </li></ul>For more information about these issues, see <a href=“https://support.microsoft.com/help/3172729” target=“_self”>KB 3172729</a></li></ul></div><h2>How to obtain and install the update</h2><div><h3>Method 1: Windows Update</h3><div>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<br /><a href=“https://www.microsoft.com/en-us/safety/pc-security/updates.aspx” target=“_self”>Get security updates automatically</a>.<br /><br /><span>Note</span> For Windows RT 8.1, this update is available through Windows Update only.<br /></div><h3>Method 2: Microsoft Update Catalog</h3><div>To get the stand-alone package for this update, go to the <a href=“http://catalog.update.microsoft.com/v7/site/search.aspx?q=3179577” target=“_self”>Microsoft Update Catalog</a> website.<br /></div><div><div><div><span><span></span></span><span><span>Method 3: Microsoft Download Center</span></span></div><div><span><div>You can obtain the stand-alone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update.<br /><br />Click the download link in <a href=“https://technet.microsoft.com/library/security/ms16-100” target=“_self”>Microsoft Security Bulletin MS16-100</a> that corresponds to the version of Windows that you are running.<br /></div><br /></span></div></div></div></div><h2>More Information</h2><div><div><div><div><span><span></span></span><span><span>Security update deployment information</span></span></div><div><span><div><h4> Windows 10 (all editions)</h4><span>Reference table</span><br /><br />The following table contains the security update information for this software.<br /><br /><br /><div><table><tr><td><span>Security update file name</span></td><td>For all supported 32-bit editions of Windows 10:<br /><span>Windows10.0-KB3172729-x86.msu</span></td></tr><tr><td></td><td>For all supported x64-based editions of Windows 10:<br /><span>Windows10.0-KB3172729-x64.msu</span></td></tr><tr><td></td><td>For all supported 32-bit editions of Windows 10 Version 1511:<br /><span>Windows10.0-Kb3172729-x86.msu</span></td></tr><tr><td></td><td>For all supported x64-based editions of Windows 10 Version 1511:<br /><span>Windows10.0-Kb3172729-x64.msu</span></td></tr><tr><td><span>Installation switches</span></td><td>See <a href=“https://support.microsoft.com/help/934307” target=“_self”>Microsoft Knowledge Base article 934307</a></td></tr><tr><td><span>Restart requirement</span></td><td>A system restart is required after you apply this security update.</td></tr><tr><td><span>Removal information</span></td><td>To uninstall an update that is installed by WUSA, use the <span>/Uninstall</span> setup switch or click <strong>Control Panel</strong>, click <strong>System and Security</strong>, and then click <strong>Windows Update</strong>. Under <strong>See also</strong>, click <strong>Installed updates</strong>, and then select from the list of updates. </td></tr><tr><td><span>File information</span></td><td>See <a href=“https://support.microsoft.com/help/3172729” target=“_self”>Microsoft Knowledge Base article 3172729</a></td></tr><tr><td><span>Registry key verification</span></td><td><span>Note</span> A registry key does not exist to validate the presence of this update.</td></tr></table></div><br /><br /><h4> Windows 8.1 (all editions)</h4><span>Reference table</span><br /><br />The following table contains the security update information for this software.<br /><br /><div><table><tr><td><span>Security update file name</span></td><td>For all supported 32-bit editions of Windows 8.1:<br /><span>Windows8.1-KB3172729-x86.msu</span></td></tr><tr><td></td><td>For all supported x64-based editions of Windows 8.1:<br /><span>Windows8.1-KB3172729-x64.msu</span></td></tr><tr><td><span>Installation switches</span></td><td>See <a href=“https://support.microsoft.com/help/934307” target=“_self”>Microsoft Knowledge Base article 934307</a></td></tr><tr><td><span>Restart requirement</span></td><td>A system restart is not required after you apply this security update. </td></tr><tr><td><span>Removal information</span></td><td>To uninstall an update that is installed by WUSA, use the <span>/Uninstall</span> setup switch or click <strong>Control Panel</strong>, click <strong>System and Security</strong>, and then click <strong>Windows Update</strong>. Under <span>See also</span>, click <span>Installed updates</span>, and then select from the list of updates. </td></tr><tr><td><span>File information</span></td><td>See <a href=“https://support.microsoft.com/help/3172729” target=“_self”>Microsoft Knowledge Base article 3172729</a></td></tr><tr><td><span>Registry key verification</span></td><td><span>Note</span> There is no registry key to validate the presence of this update. </td></tr></table></div><br /><br /><h4> Windows RT 8.1 (all editions)</h4><span>Reference table</span><br /><br />The following table contains the security update information for this software.<br /><br /><br /><div><table><tr><td><span>Deployment</span></td><td>The 3172729 update is available via <a href=“http://go.microsoft.com/fwlink/?linkid=21130” target=“_self”>Windows Update</a> only. </td></tr><tr><td><span>Restart Requirement</span></td><td>A system restart is not required after you apply this security update. </td></tr><tr><td><span>Removal Information</span></td><td>Click <strong>Control Panel</strong>, click <strong>System and Security</strong>, and then click <strong>Windows Update</strong>. Under <span>See also</span>, click <span>Installed updates</span>, and then select from the list of updates. </td></tr><tr><td><span>File Information</span></td><td>See <a href=“https://support.microsoft.com/help/3172729” target=“_self”>Microsoft Knowledge Base article 3172729</a></td></tr></table></div><br /><br /><h4> Windows Server 2012 and Windows Server 2012 R2 (all editions)</h4><span>Reference table</span><br /><br />The following table contains the security update information for this software.<br /><br /><br /><div><table><tr><td><span>Security update file name</span></td><td>For all supported editions of Windows Server 2012:<br /><span>Windows8-RT-KB3172729-x64.msu</span></td></tr><tr><td></td><td>For all supported editions of Windows Server 2012 R2:<br /><span>Windows8.1-KB3172729-x64.msu</span></td></tr><tr><td><span>Installation switches</span></td><td>See <a href=“https://support.microsoft.com/help/934307” target=“_self”>Microsoft Knowledge Base article 934307</a></td></tr><tr><td><span>Restart requirement</span></td><td>A system restart is not required after you apply this security update. </td></tr><tr><td><span>Removal information</span></td><td>To uninstall an update that is installed by WUSA, use the <span>/Uninstall</span> setup switch or click <strong>Control Panel</strong>, click <strong>System and Security</strong>, and then click <strong>Windows Update</strong>. Under <span>See also</span>, click <span>Installed updates</span>, and then select from the list of updates. </td></tr><tr><td><span>File information</span></td><td>See <a href=“https://support.microsoft.com/help/3172729” target=“_self”>Microsoft Knowledge Base article 3172729</a></td></tr><tr><td><span>Registry key verification</span></td><td><span>Note</span> There is no registry key to validate the presence of this update. </td></tr></table></div></div><br /></span></div></div></div><div><div><div><span><span></span></span><span><span>How to obtain help and support for this security update</span></span></div><div><span><div>Help for installing updates: <a href=“https://support.microsoft.com/ph/6527” target=“_self”>Support for Microsoft Update</a><br /><br />Security solutions for IT professionals: <a href=“https://technet.microsoft.com/security/bb980617.aspx” target=“_self”>TechNet Security Troubleshooting and Support</a><br /><br />Help for protecting your Windows-based computer from viruses and malware: <a href=“https://support.microsoft.com/contactus/cu_sc_virsec_master” target=“_self”>Virus Solution and Security Center</a><br /><br />Local support according to your country: <a href=“https://www.microsoft.com/en-us/locale.aspx” target=“_self”>International Support</a></div><br /></span></div></div></div><a></a></div></body></html>
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