Windows 10 May 2019 Cumulative Updates Released With Fixes

May 14, 2019

Microsoft has just released new cumulative updates for Windows 10 version 1903, version 1809 and version 1803 as part of the monthly Patch Tuesday cycle. Like the previous Patch Tuesday releases, the May 2019 cumulative updates also include a long list of fixes and improvements for security and non-security problems.

To receive the cumulative updates, you’ve to open the Start menu and click on the gear cog icon to access the Settings page. On the Settings page, navigate to Update & Security -> Windows Update and select Check for updates to install the latest patch. If you own multiple PCs or if you would like to patch the PCs manually, you can download and install this update from here.

Build 17763.503 for October 2018 Update

Microsoft is rolling out a new patch for Windows 10 October 2018 Update, also known as version 1809. The May 2019 cumulative update for October 2018 Update enables Retpoline by default on Spectre-patched PCs and it improves the overall processing speed.

If you’re on Windows 10 October 2018 Update, you’ll see Build 17763.503 (KB4494441 ​​​​​​) when you check for updates in Settings > Update & Security > Windows Update.

Enables “Retpoline” by default if Spectre Variant 2 (CVE-2017-5715) is enabled. Make sure previous OS protections against the Spectre Variant 2 vulnerability are enabled using the registry settings described in the Windows Client and Windows Server articles. (These registry settings are enabled by default for Windows Client OS editions, but disabled by default for Windows Server OS editions). For more information about “Retpoline”, see Mitigating Spectre variant 2 with Retpoline on Windows.

Provides protection against a new subclass of speculative execution side-channel vulnerabilities, known as Microarchitectural Data Sampling, for 64-Bit (x64) versions of Windows (CVE-2018-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130). Use the registry settings as described in the Windows Client and Windows Server articles. (These registry settings are enabled by default for Windows Client OS editions and Windows Server OS editions).

Adds “uk.gov” into the HTTP Strict Transport Security Top Level Domains (HSTS TLD) for Internet Explorer and Microsoft Edge.

Addresses an issue that may cause “Error 1309” while installing or uninstalling certain types of .msi and .msp files on a virtual drive.

Addresses an issue that prevents the Microsoft Visual Studio Simulator from starting.

Addresses an issue that may cause zone transfers between primary and secondary DNS servers over the Transmission Control Protocol (TCP) to fail.

Addresses an issue that causes the Simple Network Management Protocol (SNMP) Management Information Base registration to fail when the Windows Management Instrumentation (WMI) provider uses the Windows tool SMI2SMIR.exe.

Addresses an issue that may cause the text, layout, or cell size to become narrower or wider than expected in Microsoft Excel when using the MS UI Gothic or MS PGothic fonts.

Security updates to Microsoft Edge, Internet Explorer, Microsoft Scripting Engine, Windows App Platform and Frameworks, Windows Graphics, Windows Storage and Filesystems, Windows Cryptography, the Microsoft JET Database Engine, Windows Kernel, Windows Virtualization, and Windows Server.

Build 17134.765 for April 2018 Update

There is also a new patch for those still on Windows 10 April 2018 Update. Build 17134.765 comes with similar fixes, but Microsoft isn’t enabling Retpoline in April 2018 Update by default. Here’s the full changelog.

Provides protection against a new subclass of speculative execution side-channel vulnerabilities, known as Microarchitectural Data Sampling, for 64-Bit (x64) versions of Windows (CVE-2018-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130). Use the registry settings as described in the Windows Client and Windows Server articles. (These registry settings are enabled by default for Windows Client OS editions, but disabled by default for Windows Server OS editions).

Adds “uk.gov” into the HTTP Strict Transport Security Top Level Domains (HSTS TLD) for Internet Explorer and Microsoft Edge.

Addresses an issue that may cause “Error 1309” while installing or uninstalling certain types of .msi and .msp files on a virtual drive.

Addresses an issue that prevents the Microsoft Visual Studio Simulator from starting.
Addresses an issue that may cause zone transfers between primary and secondary DNS servers over the Transmission Control Protocol (TCP) to fail.

Addresses an issue that may cause the text, layout, or cell size to become narrower or wider than expected in Microsoft Excel when using the MS UI Gothic or MS PGothic fonts.

Security updates to Microsoft Edge, Internet Explorer, Microsoft Scripting Engine, Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Storage and Filesystems, Windows Cryptography, Windows Datacenter Networking, Windows Wireless Networking, Windows Virtualization, Windows Kernel, Windows Server, and the Microsoft JET Database Engine.

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