Microsoft Patch Tuesday July 2018 updates for Windows 10 (KB4338819, KB4338825, KB4338826)

As Microsoft regularly releases security updates for company products on the second Tuesday of each month. And today As a part of July 2018 patch Tuesday update Microsoft released a new set of updates for all supported versions of Windows as following: Windows 10 cumulative update KB4338819 for April 2018 Update version 1803,  KB4338825 for Fall Creators Update version 1709, KB4338826 for Creators Update version 1703, KB4338814 for Anniversary Update version 1607, and KB4338829 for original Windows 10 RTM version.

These updates include a number of fixes for Internet Explorer and Microsoft Edge browsers, Windows apps, the Windows kernel, and Windows graphics. Microsoft also patched dangerous vulnerabilities in its .NET Framework (a Windows development platform required by many third-party programs and commonly found on most versions of Windows), as well as Microsoft Office. With both of these weaknesses, an attacker could trick a victim into opening an email that contained a specially crafted Office document which loads malicious code, says Allan Liska, a threat intelligence analyst at Recorded Future.

Download Windows 10 (KB4338819, KB4338825, KB4338826) update

These cumulative updates (KB4338819, KB4338825, KB4338826) include both security and non-security improvements, and it’s essential for users to install them as soon as possible. Compatible devices connected to Microsoft server will automatically get downloaded these updates. Or you can manually check and install Windows 10 cumulative updates from settings -> update & security -> windows update and check for updates. Also you can download the standalone package from Microsoft update catalog website.

windows 10 KB4338825 update
windows 10 KB4338825 update

KB4338819 Update for Windows 10 April 2018 update (OS Build 17134.165)

For those devices running latest windows 10 April 2018 update Microsoft released a new cumulative update KB4338819 and installing this update bump OS build number to 17134.165. The update titled “2018-07 Cumulative Update for Windows 10 Version 1803 (KB4338819)” comes with both security and non-security improvements. Most of the changes included in today’s patch for Windows 10 are aimed at enterprises and IT admins.

As per Microsoft KB4338819 update improves the Universal CRT Ctype and it will correctly handle EOF as valid input.

Also Microsoft is finally allowing the users to debug the WebView content in UWP apps. You just need to download Microsoft Edge DevTools Preview app from the Store and enable the debugging tool. The KB4338819 update would make sure that the application and device are compatible with all updates to Windows.

The update also addresses an issue that could have caused the Mitigation Options Group Policy client-side extension to fail unexpectedly

Evaluates the Windows ecosystem to help ensure application and device compatibility for all updates to Windows.

Security updates to Internet Explorer, Windows apps, Windows graphics, Windows datacenter networking, Windows wireless networking, Windows virtualization, Windows kernel, and Windows Server.

KB4338825 update for Windows 10 Fall Creators Update (OS build 16299.547)

If you’re still running the Fall Creators Update version 1709, there’s a similarly short list of fixes rolling out as KB4338825 (build 16299.547).

As per Microsoft’s the KB4338825 update addresses an issue that causes the wrong IME mode to be chosen on an IME-active element.

The patch also addresses issues with Google Chrome that caused the browser to stop working on Cobalt devices.

Windows 10 build 16299.547 also fixed an issue with form submission in Internet Explorer and as well as an where DNS requests disregard proxy configurations in Microsoft Edge and IE browser. It appears that Microsoft is making some changes to the ecosystem to ensure application and device compatibility for all updates to Windows.

Addresses additional issues with updated time zone information.

Evaluates the Windows ecosystem to help ensure application and device compatibility for all updates to Windows.

Security updates to Internet Explorer, Microsoft Edge, Microsoft scripting engine, Windows apps, Windows graphics, Windows datacenter networking, Windows virtualization, Windows kernel, and Windows Server.

KB4338826 update for Windows 10 Creators Update (OS Build 15063.1206)

Microsoft offers KB4338826 update for devices running Windows 10 creators update. Installing this update bumps the OS to Windows 10 build 15063.1206. As per Microsoft, This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:

  • Addresses an issue with form submission in Internet Explorer.
  • Updates Internet Explorer’s Inspect Element feature to conform to the policy that disables the launch of Developer Tools.
  • Addresses an issue that, in some cases, causes the wrong IME mode to be chosen on an IME-active element.
  • Addresses an issue in which DNS requests disregard proxy configurations in Internet Explorer and Microsoft Edge.
  • Addresses additional issues with updated time zone information.
  • Evaluates the Windows ecosystem to help ensure application and device compatibility for all updates to Windows.
  • Security updates to Internet Explorer, Microsoft Edge, Windows apps, Windows graphics, Windows virtualization, Windows kernel, and Windows Server.

KB4338814 update for Windows 10 version 1607 (OS Build 14393.2363)

For users running Windows 10 Anniversary Update version 1607, Microsoft offer KB4338814 which bumps the OS to windows 10 build 14393.2363. And this update fixes

  • Updates Internet Explorer’s Inspect Element feature to conform to the policy that disables the launch of Developer Tools.
  • Addresses an issue that, in some cases, causes the wrong IME mode to be chosen on an IME-active element.
  • Addresses an issue where DNS requests disregard proxy configurations in Internet Explorer and Microsoft Edge.
  • Addresses additional issues with updated time zone information.
  • Updates support for the draft version of the Token Binding protocol v0.16.
  • Evaluates the Windows ecosystem to help ensure application and device compatibility for all updates to Windows.
  • Security updates to Internet Explorer, Microsoft Edge, Windows apps, Windows graphics, Windows datacenter networking, Windows virtualization, Windows kernel, and Windows Server.

New updates for Windows 7 and 8.1

If you are using Windows 7 SP1, you’ll get KB4338818 which contains the following fixes:

  • Provides protection for an additional vulnerability involving side-channel speculative execution known as Lazy Floating Point (FP) State Restore (CVE-2018-3665) for 64-Bit (x64) versions of Windows.
  • Updates Internet Explorer’s Inspect Element feature to conform to the policy that disables the launch of Developer Tools.
  • Addresses an issue where DNS requests disregard proxy configurations in Internet Explorer and Microsoft Edge.
  • Security updates to Internet Explorer, Windows apps, Windows graphics, Windows Shell, Windows datacenter networking, Windows wireless networking, and Windows virtualization.

For Windows 8.1 users, Microsoft offers KB4338815 update and it has the following fixes:

  • Provides protection from an additional subclass of speculative execution side-channel vulnerability known as Speculative Store Bypass (CVE-2018-3639). These protections aren’t enabled by default. For Windows client (IT pro) guidance, follow the instructions in KB4073119. For Windows Server guidance, follow the instructions in KB4072698. Use this guidance document to enable mitigations for Speculative Store Bypass (CVE-2018-3639) in addition to the mitigations that have already been released for Spectre Variant 2 (CVE-2017-5715) and Meltdown (CVE-2017-5754).
  • Provides support to control usage of Indirect Branch Prediction Barrier (IBPB) on some AMD processors (CPUs) for mitigating CVE-2017-5715, Spectre Variant 2 when switching from user context to kernel context. (See AMD Architecture Guidelines for Indirect Branch Control and AMD Security Updates for more details). For Windows client (IT pro) guidance, follow the instructions in KB4073119. Use this guidance document to enable IBPB on some AMD processors (CPUs) for mitigating Spectre Variant 2 when switching from user context to kernel context.
  • Provides protections for an additional vulnerability involving side-channel speculative execution known as Lazy Floating Point (FP) State Restore (CVE-2018-3665) for 64-Bit (x64) versions of Windows.
  • Updates Internet Explorer’s Inspect Element feature to conform to the policy that disables the launch of Developer Tools.
  • Addresses an issue where DNS requests disregard proxy configurations in Internet Explorer and Microsoft Edge.
  • Addresses an issue that causes the mouse to stop working after a user switches between local and remote sessions.
  • Security updates to Internet Explorer, Windows apps, Windows graphics, Windows Shell, Windows datacenter networking, Windows virtualization, and Windows kernel.

Each cumulative update should now be available to download via Windows Update. After installing the update you can check your Windows build number by press windows + R, type winver and ok. This will display as the image below.

Windows 10 update KB4338819 ( OS build 17134.165)
Windows 10 update KB4338819 ( OS build 17134.165)

Also If you Face andy difficulty while installing these updates, Windows update stuck checking for updates. Or Cumulative update for windows 10 version 1803 for x64 based system ( KB4338819) failed to install with different errors check out this post. Also Read Windows 10 April 2018 Update Secret Features you may don’t know ( Version 1803 )