Summary

A Win32k information disclosure vulnerability exists when the Windows GDI component improperly discloses kernel memory addresses. An attacker who successfully exploits the vulnerability could obtain information to further compromise the user’s system.

To learn more about the vulnerability, go to CVE-2018-0750.

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Important

  • 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 obtain and install the update

Method 1: Windows Update

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 Windows Update: FAQ.

Method 2: Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

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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 times for these files are listed in Coordinated Universal Time (UTC). The dates and 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 times may change when you perform certain operations on the files.

Windows Vista and Windows Server 2008 file information

Note: The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.

How to obtain help and support for this security update

Help for installing updates: Windows Update: FAQ

Security solutions for IT professionals: TechNet Security Support and Troubleshooting

Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure

Local support according to your country: International Support

File Information

File hash information

File name

SHA1 hash

SHA256 hash

Windows6.0-KB4056944-x64.msu

E77BC01DD2C4A0EF343DB76C341DDCC0AD76679B

387EE3A5A93DA4DF34C8A9187D7E6992BA4E6DBB2248669D5613086DC1456D62

Windows6.0-KB4056944-x86.msu

3B4D42C936B45C7ADF6465367C4A0C8BE083656A

A812E1D51C04F733F8CF78A88DCF374C803B53338DCD20293393C7B8F6F1BCA5

Windows6.0-KB4056944-ia64.msu

3DC7D44BAB1FFA08628137002BDD54D2E53A7C74

6A11CBFD08F144DB3A7CEED18A2751FC769EF09D38410630C01B872EBF4487D1

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Win32k.sys

6.0.6002.24259

2,810,368

09-Dec-2017

00:35

x64

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Win32k.sys

6.0.6002.24259

2,082,816

09-Dec-2017

00:22

x86

For all supported ia64-based versions

File name

File version

File size

Date

Time

Platform

Win32k.sys

6.0.6002.24259

6,700,544

09-Dec-2017

00:29

IA-64

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