Description of the security update for the information disclosure vulnerability in Microsoft Visual Studio 2015 Update 3: June 13, 2023 (KB5026455)

**Applies to:**All Visual Studio 2015 Update 3 editions except Isolated and Integrated Shells, Build Tools, Remote Tools, and Express for Web.

Summary

An information disclosure vulnerability exists within VSGraphics in Microsoft Visual Studio 2015 when it incorrectly handles objects in memory.To learn more about the vulnerability, see CVE-2023-27911, CVE-2023-27910, CVE-2023-27909, and CVE-2023-33139.As part of this update, we are removing .fbx and .dae support. Support for these model formats has been provided by a third-party component (x86) that is no longer supported by the author. Affected users should use the fbx editor.

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Third-party information disclaimer

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

How to obtain and install the update

Method 1: Microsoft Download

The following file is available for 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

Prerequisites

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

Restart requirement

We recommend that you close Visual Studio 2015 before you install this security update. Otherwise, you may have to restart the computer after you apply this security update if a file that is being updated is open or in use by Visual Studio.

Security update replacement information

This security update doesn’t replace other security updates.

File hash information

File name	SHA256 hash
vs14-kb5026455.exe	5b615281874845c6739fcbb56772dd92d41e822f9a1f7d99fc3df64a6532c4c3

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 VsGraphics.exe and VsGraphicsCore.dll files in the Microsoft Visual Studio 14.0\Common7\IDE\Extensions\Microsoft\VsGraphics folder.
3. Verify that the file version is equal to or greater than 14.0.27554**.0**.
   If you elected to install the optional component (Windows 8.1 and Windows Phone 8.0/8.1 Tools), follow these additional steps:
4. Locate the VsGraphics.exe and VsGraphicsCore.dll files in the Microsoft Visual Studio 12.0\Common7\IDE\Extensions\Microsoft\VsGraphics folder.
5. Verify that the file version is equal to or greater than 12.0.40702**.0**.
6. Locate the VsGraphics.exe and VsGraphicsCore.dll files in the Microsoft Visual Studio 11.0\Common7\IDE\Extensions\Microsoft\VsGraphics folder.
7. Verify that the file version is equal to or greater than 11**.0.61253.402**.

Information about protection and security

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