CVE-2021-27064: Visual Studio Installer Elevation of Privilege Vulnerability

Overview

Severity

High (CVSS 7.8)

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

Category

Elevation of Privilege

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2021-Apr

Released

2021-04-13

EPSS Score

0.21% (percentile: 43.2%)

Affected Products (4)

Developer Tools

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

Security Updates (4)

• Release Notes
• Release Notes
• Release Notes
• Release Notes

Acknowledgments

Lockheed Martin Red Team

Revision History

• 2021-04-13: Information published.