Main Vulnerability Database Vulnerabilities #VU47600

Permissions, Privileges, and Access Controls in Microsoft Windows and Windows Server - CVE-2020-16876

Published: October 13, 2020

Vulnerability identifier: #VU47600

CSH Severity: Low

CVSS v4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-16876

CWE-ID: CWE-264

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the way Windows Application Compatibility Client Library handles registry operations. A local user can create a malicious application, launch it on the system and gain elevated privileges.

To exploit the vulnerability, an attacker would first need code execution on a victim system.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2020-16876

Install update from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16876

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