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This security update resolves a vulnerability in the Microsoft .NET Framework that could allow remote code execution when Microsoft .NET Framework processes untrusted input. An attacker who successfully exploits this vulnerability in software by using the .NET Framework could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts that have full user rights. Users whose accounts are configured to have fewer user rights on the system could be less affected than users who operate by using administrative user rights.
To exploit the vulnerability, an attacker must first convince the user to open a malicious document or application.
This security update addresses the vulnerability by correcting how the .NET Framework validates untrusted input. To learn more about this vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2017-8759.Important
For more information about this security update as it relates to Windows 7 Service Pack 1 (SP1) and Windows Server 2008 R2 SP1, see the following article in the Microsoft Knowledge Base:
4041090 Security Only update for the .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, and 4.7 updates for Windows 7 SP1 and Windows Server 2008 R2 SP1 and for the .NET Framework 4.6 for Windows Server 2008 SP2: September 12, 2017
For more information about this security update as it relates to Windows Server 2008 Service Pack 2 (SP2), see the following article in the Microsoft Knowledge Base:
4041093 Security Only update for the .NET Framework 2.0 SP2, 4.5.2, 4.6, 4.6.1, 4.6.2, and 4.7 updates for Windows Server 2008 SP2: September 12, 2017
Symptoms
When you apply this update by using the interactive setup wizard on non-English locale systems, you notice that the interactive setup wizard dialog boxes contains some pseudo localized characters instead of localized content. This is a non-impacting, UI-only, setup issue that does not affect the deployment result or functionality of the update contents. Please apply this update to help secure your computer against vulnerabilities and the issues that are addressed by this update.
Resolution
This issue is resolved in the following:
4043564 Certain .NET Framework 4.5.2 updates contain pseudo non-English characters in the Setup Wizard UI
To get the stand-alone package for this update, go to the Microsoft Update Catalog.
On your WSUS server, follow these steps:
The updates are now available for installation through WSUS.
For deployment details for this security update, go to the following article in the Microsoft Knowledge Base:
20170912 Security update deployment information: September 12, 2017
Note We do not recommend that you remove any security update. To remove this update, use the Programs and Features item in Control Panel.
This update does not require a system restart after you apply it unless files that are being updated are locked or are being used.
This update replaces update 2978128.
| Package name | Package hash SHA 1 | Package hash SHA 2 |
|---|---|---|
| NDP45-KB4040960-x86.exe | B1091182538E4C01B9F60A61590F1E6FAF921882 | AEC8F1FDA4CA175DA01022C2836C9E8AE33D63AFB3AC134C8886B76F842FA8F0 |
| NDP45-KB4040960-x64.exe | 49ACC241FFD0FE529497060F2DA2E1AA81D7F405 | 3844A4F32F6D0EE1CE2643A99822E6C2227BA6456E089A149061C58304844758 |
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