KB4499154

詳細情報

KB番号	KB4499154
リリース日	2019/05/14
Windowsバージョン	Windows 10 1507
ビルド番号	10240.18215
URL	https://support.microsoft.com/en-us/help/4499154
ダウンロード	Microsoft Update Catalog

Provides protections against a new subclass of speculative execution side-channel vulnerabilities, known as Microarchitectural Data Sampling, for 64-Bit (x64) versions of Windows (CVE-2019-11091,CVE-2018-12126, CVE-2018-12127, CVE-2018-12130). Use the registry settings as described in the Windows Client article. (These registry settings are enabled by default for Windows Client OS editions).
Adds "gov.uk" to 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.
Improves performance related to case-insensitive string comparison functions such as _stricmp() in the Universal C Runtime.
Addresses an issue that prevents the Microsoft Visual Studio Simulator from starting.
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 Internet Explorer, Microsoft Scripting Engine, Microsoft Edge, Windows Storage and Filesystems, Microsoft Graphics Component, Windows App Platform and Frameworks, Windows Cryptography, Windows Datacenter Networking, Windows Server, Windows Kernel, and the Microsoft JET Database Engine.

Certain operations, such as rename, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, “STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)”. This occurs when you perform the operation on a CSV owner node from a process that doesn’t have administrator privilege.	Do one of the following: Perform the operation from a process that has administrator privilege. Perform the operation from a node that doesn’t have CSV ownership. Microsoft is working on a resolution and will provide an update in an upcoming release.
After installing the May 14, 2019 update, some gov.uk websites that don’t support HTTP Strict Transport Security (HSTS) may not be accessible through Internet Explorer 11 or Microsoft Edge.	This issue is resolved in KB4505051.