KLA12285 Multiple vulnerabilities in Microsoft Developer Tools

Multiple vulnerabilities were found in Microsoft Developer Tools. Malicious users can exploit these vulnerabilities to execute arbitrary code, spoof user interface, gain privileges.

Below is a complete list of vulnerabilities:

1. A remote code execution vulnerability in Visual Studio can be exploited remotely to execute arbitrary code.
2. A spoofing vulnerability in Visual Studio Code can be exploited remotely to spoof user interface.
3. An elevation of privilege vulnerability in Visual Studio can be exploited remotely to gain privileges.

Original advisories

CVE-2021-36952

CVE-2021-26437

CVE-2021-26434

Related products

Microsoft-Visual-Studio

CVE list

CVE-2021-36952 unknown

CVE-2021-26437 unknown

CVE-2021-26434 unknown

Solution

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Impacts

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• PE

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.

• SUI

Spoof user interface. Exploitation of vulnerabilities with this impact can lead to changes in user interface to beguile user into inaccurate behavior.

Affected Products

• Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)Visual Studio CodeMicrosoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)