<html><body><p>Resolves a vulnerability in Windows that could allow information disclosure when the Windows Common Log File System (CLFS) driver improperly handles objects in memory. In a local attack scenario, an attacker could exploit this vulnerability by running a specially crafted application to bypass security measures on the affected system, allowing further exploitation.</p><h2>Summary</h2><div>This security update resolves a vulnerability in Microsoft Windows that could allow information disclosure when theĀ <a href=āhttps://technet.microsoft.com/library/security/dn848375.aspx#clfsā target=ā_selfā>Windows Common Log File System (CLFS)</a>Ā driver improperly handles objects in memory. In a local attack scenario, an attacker could exploit this vulnerability by running a specially crafted application to bypass security measures on the affected system, thereby allowing further exploitation. <br /><br />To learn more about the vulnerability, see <a href=āhttps://technet.microsoft.com/library/security/ms16-153ā target=ā_selfā>Microsoft Security Bulletin MS16-153</a>.</div><h2>More Information</h2><div><span>Important </span><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=āhttps://support.microsoft.com/en-us/help/2919355ā target=ā_selfā>2919355</a> to be installed. We recommend that you install update <a href=āhttps://support.microsoft.com/en-us/help/2919355ā target=ā_selfā>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=āhttps://technet.microsoft.com/en-us/library/hh825699ā target=ā_selfā>Add language packs to Windows</a>.</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 /><ul><li><a href=āhttps://support.microsoft.com/help/3203838ā target=ā_selfā>3203838</a> MS16-153: Security update for common log file system driver: December 13, 2016</li><li><a href=āhttps://support.microsoft.com/help/3205400ā target=ā_selfā>3205400</a> December 2016 Security Only Quality Update for Windows 8.1 and Windows Server 2012 R2</li><li><a href=āhttps://support.microsoft.com/help/3205401ā target=ā_selfā>3205401</a> December 2016 Security Monthly Quality Rollup for Windows 8.1 and Windows Server 2012 R2</li><li><a href=āhttps://support.microsoft.com/help/3205408ā target=ā_selfā>3205408</a> December 2016 Security Only Quality Update for Windows Server 2012</li><li><a href=āhttps://support.microsoft.com/help/3205409ā target=ā_selfā>3205409</a> December 2016 Security Monthly Quality Rollup for Windows Server 2012</li><li><a href=āhttps://support.microsoft.com/help/3205394ā target=ā_selfā>3205394</a> December 2016 Security Only Quality Update for Windows 7 SP1 and Windows Server 2008 R2 SP1</li><li><a href=āhttps://support.microsoft.com/help/3207752ā target=ā_selfā>3207752</a> December 2016 Security Monthly Quality Rollup for Windows 7 SP1 and Windows Server 2008 R2 SP1</li></ul>Additionally, see the following articles for more information about Windows 10, Windows 10 version 1511, Windows 10 version 1607, and Windows Server 2016:Ā <br /><ul><li><a href=āhttps://support.microsoft.com/en-us/help/4004230?previewā target=ā_selfā>Windows 10 RTM release notes (KB3205383)</a></li><li><a href=āhttps://support.microsoft.com/en-us/help/4004229?previewā target=ā_selfā>Windows 10 Version 1511 release notes (KB3205386)</a></li><li><a href=āhttps://support.microsoft.com/en-us/help/4004227?previewā target=ā_selfā>Windows 10 Version 1607 and Windows Server 2016 release notes (KB3206632)</a></li><li><a href=āhttps://support.microsoft.com/en-sg/help/12387/windows-10-update-historyā target=ā_selfā>Windows 10 and Windows Server 2016 update history</a>.</li></ul></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 Vista (all editions)</h4><span>Reference table</span><br /><br />The following table contains the security update information for this software.<br /><div><table><tr><td><span>Security update file names</span></td><td>For all supported 32-bit editions of Windows Vista:<br /><span>Windows6.0-KB3203838-x86.msu</span></td></tr><tr><td></td><td>For all supported x64-based editions of Windows Vista:<br /><span>Windows6.0-KB3203838-x64.msu</span></td></tr><tr><td><span>Installation switches</span></td><td>See <a href=āhttps://support.microsoft.com/help/934307ā target=ā_selfā>Microsoft Knowledge Base Article 934307</a></td></tr><tr><td><span>Restart requirement</span></td><td>You must restart the system after you apply this security update. </td></tr><tr><td><span>Removal information</span></td><td>WUSA.exe does not support uninstalling updates. To uninstall an update that is installed by WUSA, click <strong>Control Panel</strong>, and then click <span>Security</span>. Under <span>Windows Update</span>, click <strong>View installed updates</strong>, and then select from the list of updates. </td></tr><tr><td><span>File information</span></td><td>See <a href=āhttps://support.microsoft.com/help/3203838ā target=ā_selfā>Microsoft Knowledge Base Article 3203838</a></td></tr><tr><td><span>Registry key verification</span></td><td><span>Note</span> This update does not add a registry key to validate its installation. </td></tr></table></div><h4>Windows Server 2008 (all editions)</h4><span>Reference table</span><br /><br />The following table contains the security update information for this software.<br /><div><table><tr><td><span>Security update file names</span></td><td>For all supported 32-bit editions of Windows Server 2008:<br /><span>Windows6.0-KB3203838-x86.msu</span></td></tr><tr><td></td><td>For all supported x64-based editions of Windows Server 2008:<br /><span>Windows6.0-KB3203838-x64.msu</span></td></tr><tr><td></td><td>For all supported Itanium-based editions of Windows Server 2008:<br /><span>Windows6.0-KB3203838-ia64.msu</span></td></tr><tr><td><span>Installation switches</span></td><td>See <a href=āhttps://support.microsoft.com/help/934307ā target=ā_selfā>Microsoft Knowledge Base Article 934307</a></td></tr><tr><td><span>Restart requirement</span></td><td>You must restart the system after you apply this security update. </td></tr><tr><td><span>Removal information</span></td><td>WUSA.exe does not support uninstalling updates. To uninstall an update that is installed by WUSA, click <strong>Control Panel</strong>, and then click <span>Security</span>. Under <span>Windows Update</span>, click <strong>View installed updates</strong>, and then select from the list of updates. </td></tr><tr><td><span>File information</span></td><td>See <a href=āhttps://support.microsoft.com/help/3203838ā target=ā_selfā>Microsoft Knowledge Base Article 3203838</a></td></tr><tr><td><span>Registry key verification</span></td><td><span>Note</span> This update does not add a registry key to validate its installation. </td></tr></table></div><h4>Windows 7 (all editions)</h4><span>Reference table</span><br /><br />The following table contains the security update information for this software.<br /><div><table><tr><td><span>Security update file name</span></td><td>For all supported 32-bit editions of Windows 7:<br /><span>Windows6.1-KB3205394-x86.msu<br /></span>Security only</td></tr><tr><td></td><td>For all supported 32-bit editions of Windows 7<br /><span>Windows6.1-KB3207752-x86.msu<br /></span>Monthly rollup</td></tr><tr><td></td><td>For all supported x64-based editions of Windows 7:<br /><span>Windows6.1-KB3205394-x64.msu<br /></span>Security only</td></tr><tr><td></td><td>For all supported x64-based editions of Windows 7:<br /><span>Windows6.1-KB3207752-x64.msu<br /></span>Monthly rollup</td></tr><tr><td><span>Installation switches</span></td><td>See <a href=āhttps://support.microsoft.com/help/934307ā target=ā_selfā>Microsoft Knowledge Base Article 934307</a></td></tr><tr><td><span>Restart requirement</span></td><td>You must restart the system 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>, and then clickĀ <strong>System and Security</strong>. Under <strong>Windows Update</strong>, click <strong>View installed updates</strong>, and then select from the list of updates. </td></tr><tr><td><span>File information</span></td><td>See <a href=āhttps://support.microsoft.com/help/3205394ā target=ā_selfā>Microsoft Knowledge Base Article 3205394</a><br />See <a href=āhttps://support.microsoft.com/help/3207752ā target=ā_selfā>Microsoft Knowledge Base Article 3207752</a></td></tr><tr><td><span>Registry key verification</span></td><td><span>Note</span> This update does not add a registry key to validate its installation. </td></tr></table></div><h4>Windows Server 2008 R2 (all editions)</h4><span>Reference table</span><br /><br />The following table contains the security update information for this software.<br /><div><table><tr><td><span>Security update file name</span></td><td>For all supported x64-based editions of Windows Server 2008 R2:<br /><span>Windows6.1-KB3205394-x64.msu<br /></span>Security only</td></tr><tr><td></td><td>For all supported x64-based editions of Windows Server 2008 R2:<br /><span>Windows6.1-KB3207752-x64.msu<br /></span>Monthly rollup</td></tr><tr><td></td><td>For all supported Itanium-based editions of Windows Server 2008 R2:<br /><span>Windows6.1-KB3205394-ia64.msu<br /></span>Security only</td></tr><tr><td></td><td>For all supported Itanium-based editions of Windows Server 2008 R2:<br /><span>Windows6.1-KB3207752-ia64.msu<br /></span>Monthly rollup</td></tr><tr><td><span>Installation switches</span></td><td>See <a href=āhttps://support.microsoft.com/help/934307ā target=ā_selfā>Microsoft Knowledge Base Article 934307</a></td></tr><tr><td><span>Restart requirement</span></td><td>You must restart the system 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>. Under <strong>Windows Update</strong>, click <strong>View installed updates</strong>, and then select from the list of updates. </td></tr><tr><td><span>File information</span></td><td>See <a href=āhttps://support.microsoft.com/help/3205394ā target=ā_selfā>Microsoft Knowledge Base Article 3205394</a><br />See <a href=āhttps://support.microsoft.com/help/3207752ā target=ā_selfā>Microsoft Knowledge Base Article 3207752</a></td></tr><tr><td><span>Registry key verification</span></td><td><span>Note</span> This update does not add a registry key to validate its installation. </td></tr></table></div><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 /><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-KB3205400-x86.msu<br /></span>Security only</td></tr><tr><td></td><td>For all supported 32-bit editions of Windows 8.1:<br /><span>Windows8.1-KB3205401-x86.msu<br /></span>Monthly rollup</td></tr><tr><td></td><td>For all supported x64-based editions of Windows 8.1:<br /><span>Windows8.1-KB3205400-x64.msu<br /></span>Security only</td></tr><tr><td></td><td>For all supported x64-based editions of Windows 8.1:<br /><span>Windows8.1-KB3205401-x64.msu<br /></span>Monthly rollup</td></tr><tr><td><span>Installation switches</span></td><td>See <a href=āhttps://support.microsoft.com/help/934307ā target=ā_selfā>Microsoft Knowledge Base Article 934307</a></td></tr><tr><td><span>Restart requirement</span></td><td>You must restart the system 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>Ā setup switch or clickĀ <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=āhttps://support.microsoft.com/help/3205400ā target=ā_selfā>Microsoft Knowledge Base Article 3205400</a><br />See <a href=āhttps://support.microsoft.com/help/3205401ā target=ā_selfā>Microsoft Knowledge Base Article 3205401</a></td></tr><tr><td><span>Registry key verification</span></td><td><span>Note</span> This update does not add a registry key to validate its installation. </td></tr></table></div><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 /><div><table><tr><td><span>Security update file name</span></td><td>For all supported editions of Windows Server 2012:<br /><span>Windows8-RT-KB</span><span>3205408-x64.msu <br /></span>Security only</td></tr><tr><td></td><td>For all supported editions of Windows Server 2012:<br /><span>Windows8-RT-KB</span><span>3205409-x64.msu<br /></span>Monthly rollup</td></tr><tr><td></td><td>For all supported editions of Windows Server 2012 R2:<br /><span>Windows8.1-KB</span><span>3205400-x64.msu<br /></span>Security only</td></tr><tr><td></td><td>For all supported editions of Windows Server 2012 R2:<br /><span>Windows8.1-KB</span><span>3205401-x64.msu <br /></span>Monthly rollup</td></tr><tr><td><span>Installation switches</span></td><td>See <a href=āhttps://support.microsoft.com/help/934307ā target=ā_selfā>Microsoft Knowledge Base Article 934307</a></td></tr><tr><td><span>Restart requirement</span></td><td>You must restart the system 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>Ā setup switch or clickĀ <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=āhttps://support.microsoft.com/help/3205408ā target=ā_selfā>Microsoft Knowledge Base Article 3205408</a><br />See <a href=āhttps://support.microsoft.com/help/3205409ā target=ā_selfā>Microsoft Knowledge Base Article 3205409</a><br />See <a href=āhttps://support.microsoft.com/help/3205400ā target=ā_selfā>Microsoft Knowledge Base Article 3205400</a><br />See <a href=āhttps://support.microsoft.com/help/3205401ā target=ā_selfā>Microsoft Knowledge Base Article 3205401</a></td></tr><tr><td><span>Registry key verification</span></td><td><span>Note</span> This update does not add a registry key to validate its installation. </td></tr></table></div><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 /><div><table><tr><td><span>Deployment</span></td><td>The 3205401 Monthly Only update is available via <a href=āhttp://go.microsoft.com/fwlink/?linkid=21130ā target=ā_selfā>Windows Update</a> only. </td></tr><tr><td><span>Restart Requirement</span></td><td>You must restart the system 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=āhttps://support.microsoft.com/help/3205401ā target=ā_selfā>Microsoft Knowledge Base Article 3205401</a></td></tr></table></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 /><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-KB3205383-x86.msu</span></td></tr><tr><td></td><td>For all supported x64-based editions of Windows 10:<br /><span>Windows10.0-</span><span>KB3205383</span><span>-x64.msu</span></td></tr><tr><td></td><td>For all supported 32-bit editions of Windows 10 Version 1511:<br /><span>Windows10.0-KB3205386-x86.msu</span></td></tr><tr><td></td><td>For all supported x64-based editions of Windows 10 Version 1511:<br /><span>Windows10.0-</span><span>KB3205386</span><span>-x64.msu</span></td></tr><tr><td></td><td>For all supported 32-bit editions of Windows 10 Version 1607:<br /><span>Windows10.0-KB3206632-x86.msu</span></td></tr><tr><td></td><td>For all supported x64-based editions of Windows 10 Version 1607:<br /><span>Windows10.0-KB3206632-x64.ms</span><span>u</span></td></tr><tr><td><span>Installation switches</span></td><td>See <a href=āhttps://support.microsoft.com/help/934307ā target=ā_selfā>Microsoft Knowledge Base Article 934307</a></td></tr><tr><td><span>Restart requirement</span></td><td>You must restart the system 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>Ā setup switch or clickĀ <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><a href=āhttps://support.microsoft.com/en-us/help/4004230?previewā target=ā_selfā>Windows 10 RTM release notes (KB3205383)</a><br /><a href=āhttps://support.microsoft.com/en-us/help/4004229?previewā target=ā_selfā>Windows 10 Version 1511 release notes (KB3205386)</a><br /><a href=āhttps://support.microsoft.com/en-us/help/4004227?previewā target=ā_selfā>Windows 10 Version 1607 and Windows Server 2016 release notes (KB3206632)</a></td></tr><tr><td><span>Registry key verification</span></td><td><span>Note</span> This update does not add a registry key to validate its installation. </td></tr></table></div><h4>Windows Server 2016 (all editions)</h4><span>Reference table</span><br /><br />The following table contains the security update information for this software.<br /><div><table><tr><td><span>Security update file name</span></td><td>For all supported x64-based editions of Windows Server 2016:<br /><span>Windows10.0-</span><span>KB3206632</span><span>-x64.msu</span></td></tr><tr><td><span>Installation switches</span></td><td>See <a href=āhttps://support.microsoft.com/help/934307ā target=ā_selfā>Microsoft Knowledge Base Article 934307</a></td></tr><tr><td><span>Restart requirement</span></td><td>You must restart the system 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>Ā setup switch or clickĀ <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><a href=āhttps://support.microsoft.com/en-us/help/4004227?previewā target=ā_selfā>Windows 10 Version 1607 and Windows Server 2016 release notes (KB3206632)</a></td></tr><tr><td><span>Registry key verification</span></td><td><span>Note</span> This update does not add a registry key to validate its installation. </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=āhttps://support.microsoft.com/ph/6527ā target=ā_selfā>Support for Microsoft Update</a><br /><br />Security solutions for IT professionals: <a href=āhttps://technet.microsoft.com/security/bb980617.aspxā target=ā_selfā>TechNet Security Troubleshooting and Support</a><br /><br />Help for protecting your Windows-based computer from viruses and malware: <a href=āhttps://support.microsoft.com/contactus/cu_sc_virsec_masterā target=ā_selfā>Virus Solution and Security Center</a><br /><br />Local support according to your country: <a href=āhttps://www.microsoft.com/en-us/locale.aspxā target=ā_selfā>International Support</a></div><br /></span></div></div></div><a></a></div></body></html>