Description of the security update for Office Online Server: May 14, 2019

ID KB4462169
Type mskb
Reporter Microsoft
Modified 2020-05-04T14:44:59


<html><body><p>Provides information about the Office Online Server security update 4462169 that was released on May 14, 2019.</p><h2>Summary</h2><div><p>This security update resolves a remote code execution vulnerability that exists in Microsoft Word software if the program fails to correctly handle objects in memory. To learn more about the vulnerability, see <a href="">Microsoft Common Vulnerabilities and Exposures CVE-2019-0953</a>.<br/><br/><strong>Note</strong> To apply this security update, you must have the release version of Microsoft Office Online Server installed on the computer.<br/> </p><h3>Known issues in this update</h3><ul><li><p>After you install this security update, Office Online Server logging will be set to <strong>Verbose </strong>by default. We recommend that you change this setting to <strong>Medium </strong>by running the following command:</p><p class="indent-1"><strong><code>Set-OfficeWebAppsFarm -LogVerbosity “Medium”</code></strong></p><p><strong>Note</strong> After you run the command, you have to restart the Office Online Service. To do this, run the following command:</p><p class="indent-1"><code><strong>Restart-Service WACSM</strong></code></p></li></ul></div><h2>Improvements and fixes</h2><div><p>This security update contains a fix for the following nonsecurity issue:</p><ul linespacing="1" style="list-style-type:UnorderedBullets" type="UnorderedBullets"><li><span><span><span>Some PDF files that are created by using AutoCAD can't be opened in Office Online Server.</span></span></span></li></ul></div><h2>How to get and install the update</h2><h3>Method 1: Microsoft Update</h3><p>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 <a bookmark-id="" data-content-id="" data-content-type="" href="" managed-link="" target="">Windows Update: FAQ</a>.</p><h3>Method 2: Microsoft Update Catalog</h3><p>To get the standalone package for this update, go to the <a bookmark-id="" data-content-id="" data-content-type="" href="" managed-link="" target="">Microsoft Update Catalog</a> website.</p><h3>Method 3: Microsoft Download Center</h3><p>You can get the standalone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update.</p><p><span asset="4009805" contenteditable="false" props='{"size":"full"}' unselectable="on">4009805</span><a bookmark-id="" data-content-id="" data-content-type="" href="" managed-link="" target="">Download security update 4462169 for the 64-bit version of Office Online Server</a></p><h2>More information</h2><h3>Security update deployment information</h3><p>For deployment information about this update, see <a data-content-id="" data-content-type="" href="" managed-link="" target="_blank">security update deployment information: May 14, 2019</a>.</p><h3>Security update replacement information</h3><p>This security update replaces previously released security update <a bookmark-id="" data-content-id="" data-content-type="" href="" managed-link="" target="_blank">4461633</a>.</p><h3>File hash information</h3><table class="table"><tbody><tr><th>File name</th><th>SHA1 hash</th><th>SHA256 hash</th></tr><tr><td>wacserver2019-kb4462169-fullfile-x64-glb.exe</td><td>6558429CDF6A18161263EC89A1E32F0CD7473C73</td><td>390D3AFD10D4536284EA596063136874765EDA0A9DC1FA94E359A3C7DEA21635</td></tr></tbody></table><h3><br/>File information</h3><p>Download the <a data-content-id="" data-content-type="" href="" managed-link="" target="_blank">list of files that are included in security update 4462169</a>.</p><h2>How to get help and support for this security update</h2><p>Help for installing updates: <a bookmark-id="" data-content-id="" data-content-type="" href="" managed-link="" target="_blank">Protect yourself online</a><br/><br/>Help for protecting your Windows-based computer from viruses and malware: <a href="" id="kb-link-17" target="_self">Microsoft Security</a><br/><br/>Local support according to your country: <a href="" id="kb-link-18" target="_self">International Support</a></p></body></html>