Cumulative security update for Internet Explorer: February 12, 2019

S’applique à : Internet Explorer 11 on Other Operating SystemsInternet Explorer 10 on Other Operating SystemsInternet Explorer 9 on Other Operating Systems

Summary


This security update resolves several reported vulnerabilities in Internet Explorer. The most severe of these vulnerabilities could allow remote code execution if a user views a specially crafted webpage in Internet Explorer. To learn more about these vulnerabilities, see Microsoft Common Vulnerabilities and Exposures.

Additionally, see the following articles for more information about this cumulative update:

Important

  • The fixes that are included in this Security Update for Internet Explorer (KB 4486474) are also included in the February 2019 Security Monthly Quality Rollup. Installing either the Security Update for Internet Explorer or the Security Monthly Quality Rollup installs the fixes that are in this update.

  • If you use update management processes other than Windows Update and you automatically approve all security updates classifications for deployment, this Security Update for Internet Explorer (KB 4486474), the February 2019 Security Only Quality Update, and the February 2019 Security Monthly Quality Rollup are deployed. We recommend that you review your update deployment rules to make sure that the desired updates are deployed.

  • This Security Update for Internet Explorer is not applicable for installation on a computer on which the Security Monthly Quality Rollup or the Preview of Monthly Quality Rollup from February 2019 (or a later month) is already installed. This is because those updates contain all the fixes that are in this Security Update for Internet Explorer.

  • 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 Add language packs to Windows.

How to get and install the update


Method 1: Microsoft Update

This update is available through Microsoft Update. When you turn on automatic updating, this update will be downloaded and installed automatically.

For more information about how to get security updates automatically, see Windows Update: FAQ.

Note For Windows RT and Windows RT 8.1, this update is available through Microsoft Update only.

Method 2: Microsoft Update Catalog

To get the standalone package for this update, go to the Microsoft Update Catalog website.

Known issues in this security update


Symptom Workaround

After you install this security update, Internet Explorer may not load images that have a backslash (\) in their relative source path.

To resolve this issue, install update 4491113

Deployment information


For deployment details for this security update, see the following article in the Microsoft Knowledge Base:

Security update deployment information: February 12, 2019

Information about protection and security


File Information


The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.


Windows 8.1, Windows RT 8.1 and Windows Server 2012 R2


Internet Explorer 11


Windows 8 and Windows Server 2012


Internet Explorer 10


Windows 7 and Windows Server 2008 R2


Internet Explorer 11


Windows Server 2008


Internet Explorer 9


Windows Embedded POSReady 2009 and Windows Embedded Standard 2009