CVE-2020-0733: Windows Malicious Software Removal Tool Elevation of Privilege Vulnerability

Overview

Severity

N/A

Category

Elevation of Privilege

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2020-Feb

Released

2020-02-11

EPSS Score

0.38% (percentile: 59.5%)

Description

An elevation of privilege vulnerability exists when the Windows Malicious Software Removal Tool (MSRT) improperly handles junctions. To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges. The security update addresses the vulnerability by correcting how Windows Malicious Software Removal Tool (MSRT) handles junctions.

Affected Products (2)

System Center

• Windows Malicious Software Removal Tool 32-bit
• Windows Malicious Software Removal Tool 64-bit

Security Updates (2)

• 891716
• 891716

Acknowledgments

Wenxu Wu <a href="https://twitter.com/ma7h1as">(@ma7h1as)</a> of <a href="http://xlab.tencent.com">Tencent Security Xuanwu Lab</a>

Revision History

• 2020-02-11: Information published.