MS16-100: Security update for Secure Boot: August 9, 2016

2016-08-09T00:00:00
ID KB3179577
Type mskb
Reporter Microsoft
Modified 2016-08-09T19:05:27

Description

<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 class="kb-summary-section section">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" id="kb-link-2" target="_self">Microsoft Security Bulletin MS16-100</a>. </div><h2>More Information</h2><div class="kb-moreinformation-section section"><span class="text-base">Important</span><br/><br/><ul class="sbody-free_list"><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" id="kb-link-3" target="_self">2919355</a> to be installed. We recommend that you install update <a href="https://support.microsoft.com/en-us/help/2919355" id="kb-link-4" 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" id="kb-link-5" target="_self">Add language packs to Windows</a>.<br/></li></ul></div><h2>Additional information about this security update</h2><div class="kb-moreinformation-section section"><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 class="sbody-free_list"><li><a href="https://support.microsoft.com/help/3172729" id="kb-link-6" 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 class="sbody-free_list"><li>When you try to install this security update, you may receive an error message that resembles the following:<br/><br/><br/><div class="sbody-error">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" id="kb-link-7" target="_self">KB 3172729</a></li></ul></div><h2>How to obtain and install the update</h2><div class="kb-resolution-section section"><h3 class="sbody-h3">Method 1: Windows Update</h3><div class="kb-collapsible kb-collapsible-expanded">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" id="kb-link-9" target="_self">Get security updates automatically</a>.<br/><br/><span class="text-base">Note</span> For Windows RT 8.1, this update is available through Windows Update only.<br/></div><h3 class="sbody-h3">Method 2: Microsoft Update Catalog</h3><div class="kb-collapsible kb-collapsible-expanded">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" id="kb-link-10" target="_self">Microsoft Update Catalog</a> website.<br/></div><div class="faq-section" faq-section=""><div class="faq-panel"><div class="faq-panel-heading" faq-panel-heading=""><span class="link-expand-image"><span class="faq-chevron win-icon win-icon-ChevronUpSmall"></span></span><span class="bold btn-link link-expand-text"><span class="bold btn-link">Method 3: Microsoft Download Center</span></span></div><div class="faq-panel-body" faq-panel-body=""><span><div class="kb-collapsible kb-collapsible-collapsed">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" id="kb-link-11" 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 class="kb-moreinformation-section section"><div class="faq-section" faq-section=""><div class="faq-panel"><div class="faq-panel-heading" faq-panel-heading=""><span class="link-expand-image"><span class="faq-chevron win-icon win-icon-ChevronUpSmall"></span></span><span class="bold btn-link link-expand-text"><span class="bold btn-link">Security update deployment information</span></span></div><div class="faq-panel-body" faq-panel-body=""><span><div class="kb-collapsible kb-collapsible-collapsed"><h4 class="sbody-h4"> Windows 10 (all editions)</h4><span class="text-base">Reference table</span><br/><br/>The following table contains the security update information for this software.<br/><br/><br/><div class="table-responsive"><table class="sbody-table table"><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Security update file name</span></td><td class="sbody-td">For all supported 32-bit editions of Windows 10:<br/><span class="text-base">Windows10.0-KB3172729-x86.msu</span></td></tr><tr class="sbody-tr"><td class="sbody-td"></td><td class="sbody-td">For all supported x64-based editions of Windows 10:<br/><span class="text-base">Windows10.0-KB3172729-x64.msu</span></td></tr><tr class="sbody-tr"><td class="sbody-td"></td><td class="sbody-td">For all supported 32-bit editions of Windows 10 Version 1511:<br/><span class="text-base">Windows10.0-Kb3172729-x86.msu</span></td></tr><tr class="sbody-tr"><td class="sbody-td"></td><td class="sbody-td">For all supported x64-based editions of Windows 10 Version 1511:<br/><span class="text-base">Windows10.0-Kb3172729-x64.msu</span></td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Installation switches</span></td><td class="sbody-td">See <a href="https://support.microsoft.com/help/934307" id="kb-link-12" target="_self">Microsoft Knowledge Base article 934307</a></td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Restart requirement</span></td><td class="sbody-td">A system restart is required after you apply this security update.</td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Removal information</span></td><td class="sbody-td">To uninstall an update that is installed by WUSA, use the <span class="text-base">/Uninstall</span> setup switch or click <strong class="uiterm">Control Panel</strong>, click <strong class="uiterm">System and Security</strong>, and then click <strong class="uiterm">Windows Update</strong>. Under <strong class="uiterm">See also</strong>, click <strong class="uiterm">Installed updates</strong>, and then select from the list of updates. </td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">File information</span></td><td class="sbody-td">See <a href="https://support.microsoft.com/help/3172729" id="kb-link-13" target="_self">Microsoft Knowledge Base article 3172729</a></td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Registry key verification</span></td><td class="sbody-td"><span class="text-base">Note</span> A registry key does not exist to validate the presence of this update.</td></tr></table></div><br/><br/><h4 class="sbody-h4"> Windows 8.1 (all editions)</h4><span class="text-base">Reference table</span><br/><br/>The following table contains the security update information for this software.<br/><br/><div class="table-responsive"><table class="sbody-table table"><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Security update file name</span></td><td class="sbody-td">For all supported 32-bit editions of Windows 8.1:<br/><span class="text-base">Windows8.1-KB3172729-x86.msu</span></td></tr><tr class="sbody-tr"><td class="sbody-td"></td><td class="sbody-td">For all supported x64-based editions of Windows 8.1:<br/><span class="text-base">Windows8.1-KB3172729-x64.msu</span></td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Installation switches</span></td><td class="sbody-td">See <a href="https://support.microsoft.com/help/934307" id="kb-link-14" target="_self">Microsoft Knowledge Base article 934307</a></td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Restart requirement</span></td><td class="sbody-td">A system restart is not required after you apply this security update. </td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Removal information</span></td><td class="sbody-td">To uninstall an update that is installed by WUSA, use the <span class="text-base">/Uninstall</span> setup switch or click <strong class="uiterm">Control Panel</strong>, click <strong class="uiterm">System and Security</strong>, and then click <strong class="uiterm">Windows Update</strong>. Under <span class="sbody-userinput">See also</span>, click <span class="sbody-userinput">Installed updates</span>, and then select from the list of updates. </td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">File information</span></td><td class="sbody-td">See <a href="https://support.microsoft.com/help/3172729" id="kb-link-15" target="_self">Microsoft Knowledge Base article 3172729</a></td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Registry key verification</span></td><td class="sbody-td"><span class="text-base">Note</span> There is no registry key to validate the presence of this update. </td></tr></table></div><br/><br/><h4 class="sbody-h4"> Windows RT 8.1 (all editions)</h4><span class="text-base">Reference table</span><br/><br/>The following table contains the security update information for this software.<br/><br/><br/><div class="table-responsive"><table class="sbody-table table"><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Deployment</span></td><td class="sbody-td">The 3172729 update is available via <a href="http://go.microsoft.com/fwlink/?linkid=21130" id="kb-link-16" target="_self">Windows Update</a> only. </td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Restart Requirement</span></td><td class="sbody-td">A system restart is not required after you apply this security update. </td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Removal Information</span></td><td class="sbody-td">Click <strong class="uiterm">Control Panel</strong>, click <strong class="uiterm">System and Security</strong>, and then click <strong class="uiterm">Windows Update</strong>. Under <span class="sbody-userinput">See also</span>, click <span class="sbody-userinput">Installed updates</span>, and then select from the list of updates. </td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">File Information</span></td><td class="sbody-td">See <a href="https://support.microsoft.com/help/3172729" id="kb-link-17" target="_self">Microsoft Knowledge Base article 3172729</a></td></tr></table></div><br/><br/><h4 class="sbody-h4"> Windows Server 2012 and Windows Server 2012 R2 (all editions)</h4><span class="text-base">Reference table</span><br/><br/>The following table contains the security update information for this software.<br/><br/><br/><div class="table-responsive"><table class="sbody-table table"><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Security update file name</span></td><td class="sbody-td">For all supported editions of Windows Server 2012:<br/><span class="text-base">Windows8-RT-KB3172729-x64.msu</span></td></tr><tr class="sbody-tr"><td class="sbody-td"></td><td class="sbody-td">For all supported editions of Windows Server 2012 R2:<br/><span class="text-base">Windows8.1-KB3172729-x64.msu</span></td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Installation switches</span></td><td class="sbody-td">See <a href="https://support.microsoft.com/help/934307" id="kb-link-18" target="_self">Microsoft Knowledge Base article 934307</a></td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Restart requirement</span></td><td class="sbody-td">A system restart is not required after you apply this security update. </td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Removal information</span></td><td class="sbody-td">To uninstall an update that is installed by WUSA, use the <span class="text-base">/Uninstall</span> setup switch or click <strong class="uiterm">Control Panel</strong>, click <strong class="uiterm">System and Security</strong>, and then click <strong class="uiterm">Windows Update</strong>. Under <span class="sbody-userinput">See also</span>, click <span class="sbody-userinput">Installed updates</span>, and then select from the list of updates. </td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">File information</span></td><td class="sbody-td">See <a href="https://support.microsoft.com/help/3172729" id="kb-link-19" target="_self">Microsoft Knowledge Base article 3172729</a></td></tr><tr class="sbody-tr"><td class="sbody-td"><span class="text-base">Registry key verification</span></td><td class="sbody-td"><span class="text-base">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 class="faq-section" faq-section=""><div class="faq-panel"><div class="faq-panel-heading" faq-panel-heading=""><span class="link-expand-image"><span class="faq-chevron win-icon win-icon-ChevronUpSmall"></span></span><span class="bold btn-link link-expand-text"><span class="bold btn-link">How to obtain help and support for this security update</span></span></div><div class="faq-panel-body" faq-panel-body=""><span><div class="kb-collapsible kb-collapsible-collapsed">Help for installing updates: <a href="https://support.microsoft.com/ph/6527" id="kb-link-20" target="_self">Support for Microsoft Update</a><br/><br/>Security solutions for IT professionals: <a href="https://technet.microsoft.com/security/bb980617.aspx" id="kb-link-21" 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" id="kb-link-22" 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" id="kb-link-23" target="_self">International Support</a></div><br/></span></div></div></div><a class="bookmark" id="fileinfo"></a></div></body></html>