Description of the security update for the remote code execution vulnerability in Microsoft Visual Studio 2015 Update 3: October 10, 2023 (KB5029366)

**Applies to:**All Visual Studio 2015 Update 3 editions except Integrated Shell and Build Tools.

NoticeIn November 2023, Visual Studio 2015 Update 3 was revised to address a compatibility issue that affects precompiled headers in VC++ projects.

Summary

A remote code execution vulnerability exists in Microsoft Visual Studio 2015 when it incorrectly handles debug information.To learn more about the vulnerability, see CVE-2023-36796, CVE-2023-36792, CVE-2023-36794, and CVE-2023-36793.

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 supersedes security update KB5025792.

File hash information

File name	SHA256 hash
vs14-kb5029366.exe	938F7A7B58F7C86C2D292F5A2B03C2B362AEEC16F6CCCE83CD43AC01CEA3A6A8

File information

File name	File version	File size	Date	Time
vs14-kb5029366.exe	14.0.27559.0	71,585,792	9-Nov-23	13:57

Installation verification

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

1. Open the Visual Studio 2015 program folder.
2. Locate one or more of the following files, and verify that the file version is equal to or greater than the version that’s mentioned in the following table. File| Version
   —|—
   common7\ide\msdia140.dll| 14.0.24250.1
   common7\packages\debugger\msdia140.dll| 14.0.24250.1
   dia sdk\bin\amd64\msdia140.dll| 14.0.24250.1
   dia sdk\bin\arm\msdia140.dll| 14.0.24250.1
   dia sdk\bin\msdia140.dll| 14.0.24250.1
   team tools\dynamic code coverage tools\amd64\msdia140.dll| 14.0.24250.1
   team tools\dynamic code coverage tools\msdia140.dll| 14.0.24250.1
   vc\bin\amd64\bscmake.exe| 14.0.24250.1
   vc\bin\bscmake.exe| 14.0.24250.1
   vc\bin\msobj140.dll| 14.0.24250.1
   vc\bin\amd64\msobj140.dll| 14.0.24250.1
   vc\bin\mspdb140.dll| 14.0.24250.1
   vc\bin\amd64\mspdb140.dll| 14.0.24250.1
   vc\bin\mspdbcmf.exe| 14.0.24250.1
   vc\bin\amd64\mspdbcmf.exe| 14.0.24250.1
   vc\bin\1033\mspdbcmfui.dll| 14.0.24250.1
   vc\bin\amd64\1033\mspdbcmfui.dll| 14.0.24250.1
   vc\bin\mspdbcore.dll| 14.0.24250.1
   vc\bin\amd64\mspdbcore.dll| 14.0.24250.1
   vc\bin\mspdbsrv.exe| 14.0.24250.1
   vc\bin\amd64\mspdbsrv.exe| 14.0.24250.1
   vc\bin\mspdbst.dll| 14.0.24250.1
   vc\bin\amd64\mspdbst.dll| 14.0.24250.1
   common7\ide\commonextensions\microsoft\testwindow\msdia140typelib_clr0200.dll| 14.0.24250.1
   common7\ide\commonextensions\microsoft\testwindow\msdia140typelib_clr0200.dll| 14.0.24250.1
   pdbcopy.exe| 14.0.24250.1
   Common7\IDE\Remote Debugger\amd64\msvsmon.exe| 14.0.27559.0
   Common7\IDE\Remote Debugger\msvsmon.exe| 14.0.27559.0
   shmetapdb.dll| 14.0.27559.0

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