MicrosoftKB3155451MS16-066: Security update to virtual secure mode: May 10, 2016
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<html><body><p>Resolves a vulnerability in Windows that could allow a security feature bypass if an attacker runs a specially crafted application to bypass code integrity protections in Windows.</p><h2>Summary</h2><div>This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow a security feature bypass if an attacker runs a specially crafted application to bypass code integrity protections in Windows.<br /><br /><br /><br />To learn more about the vulnerability, see <a href=“https://technet.microsoft.com/library/security/ms16-066” target=“_self”>Microsoft Security Bulletin MS16-066</a>. </div><h2>More Information</h2><div><span>Important</span><br /><br /><ul><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>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/security/pc-security/updates.aspx” target=“_self”>Get security updates automatically</a>.<br /><br /></div><div><div><div><span><span></span></span><span><span>Method 2: 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/ms16-066” target=“_self”>Microsoft Security Bulletin MS16-066</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<br /></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-KB3156387-x86.msu</span></td></tr><tr><td><br /></td><td>For all supported x64-based editions of Windows 10:<br /><span>Windows10.0-KB3156387-x64.msu</span></td></tr><tr><td><br /></td><td>For all supported 32-bit editions of Windows 10 Version 1511:<br /><span>Windows10.0-KB3156421-x86.msu</span></td></tr><tr><td><br /></td><td>For all supported x64-based editions of Windows 10 Version 1511:<br /><span>Windows10.0-KB3156421-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 installed by WUSA, use the <span>/Uninstall</span> setup switch or click <strong>Control Panel</strong>, click <strong>System and Security</strong>, click <strong>Windows Update</strong>, click <strong>Installed updates</strong> under <strong>See also</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/3156387” target=“_self”>Microsoft Knowledge Base Article 3156387</a><br />See <a href=“https://support.microsoft.com/help/3156421” target=“_self”>Microsoft Knowledge Base Article 3156421</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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