Description of the security update for the information disclosure vulnerability in Microsoft Visual Studio 2015 Update 3: July 9, 2019

Applies to: Visual Studio 2015 Update 3

Note This security update applies to Visual Studio 2015 Update 3 except for Visual Studio Isolated and Integrated Shells.  


An information disclosure vulnerability exists when Microsoft Visual Studio 2015 incorrectly parses XML input in certain settings files.

To learn more about the vulnerability, go to CVE-2019-1079.

Known issues in this update

Visual Studio 2015 customers may experience issues that affect the offering of this update through Microsoft Update. In some cases, this update is offered to products for which the update was not intended or needed, such as Visual Studio Isolated and Integrated Shells.

On August 5, 2019, a detection revision was made to address issues that affect the Microsoft Update offering for this update. Customers who observed unexpected issues in the offering of this update can rescan Microsoft Update for the latest content within their Windows Server Update Services (WSUS) and update management environments. Customers who rely on the file will receive this revision as part of the August 2019 broad Windows Update releases.

How to obtain and install the update

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.

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, go to the following article in the Microsoft Knowledge Base:

Security update deployment information: July 9, 2019

File hash information

File name SHA1 hash SHA256 hash
VS14-KB4506164.exe 3D8FCF805756BE2CA9E8E36EA60E85F1CBBFA58A 2945C671E0A57F993DE67C80A612EE3E7F4EB850F1EB2AF60926D9DADF78F6B7

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.

How to get help and support for this security update

Help for installing updates: Protect yourself online

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

Local support according to your country: International Support