Description of the security update for Microsoft Visual Studio 2015 Update 3: September 8, 2020

Applies to: Visual Studio 2015 Update 3

Applies to: Visual Studio 2015 Update 3 Community, Professional, Enterprise, and Remote Tools

Does not apply to: Build Tools, Visual Studio 2015 Isolated and Integrated Shells


An elevation of privilege vulnerability exists when the Diagnostics Hub Standard Collector incorrectly handles data operations.

To learn more about the vulnerability, see CVE-2020-1130 and CVE-2020-1133.

How to obtain and install the update

Visual Studio 2015 Update 3

Method 1: Microsoft Download

The following file is available for download:

Download Download the hotfix package now.

Method 2: Microsoft Update Catalog

To get the standalone package for this update, go to the Microsoft Update Catalog website. 

Visual Studio 2015 Remote Tools

To download the updated remote tools for Visual Studio 2015 Update 3, go to the following Microsoft webpage:

Download Visual Studio 2015 Update: Remote Tools

More information


To apply this security update, you must have Visual Studio 2015 Update 3 installed.

Restart requirement

You may have to restart the computer after you apply this security update if an instance of Visual Studio is being used.

Security update replacement information

This security update doesn't replace other security updates.

Deployment information

For deployment details for this security update, see the following Knowledge Base article:

Security update deployment information: September 8, 2020

File hash information

File name SHA1 hash SHA256 hash
vs14-kb4576950.exe 8F968AE69F20BB0E71E58ADE1CAAFF85BB63FBB7 B08A0C606C0CE29852EFE0EF6D1F11DF58D081826942BD98AEF19FA410EF6D70

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

Installation verification

To verify that this security update is applied correctly, follow these steps:

  1. Open the Visual Studio 2015 program folder.
  2. Locate the DiagnosticsHub.StandardCollector.Runtime.dll file.
  3. Verify that the file version is equal to or greater than 14.0.27544.0.

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security