CVE-2021-42280 : What You Need to Know

Windows Feedback Hub Elevation of Privilege Vulnerability was published on 9th November 2021 by Microsoft affecting various Windows versions including Windows 10, Windows Server, and Windows 11.

Understanding CVE-2021-42280

This CVE involves an elevation of privilege vulnerability impacting multiple Microsoft Windows versions.

What is CVE-2021-42280?

The Windows Feedback Hub Elevation of Privilege Vulnerability allows an attacker to gain elevated privileges on the affected system, potentially leading to unauthorized actions.

The Impact of CVE-2021-42280

The vulnerability has a CVSS base score of 5.5, categorizing it as a medium severity threat. Successful exploitation could result in high impact, allowing attackers to execute unauthorized actions.

Technical Details of CVE-2021-42280

This section provides technical details about the vulnerability.

Vulnerability Description

The vulnerability allows attackers to elevate their privileges on affected Windows systems, compromising system integrity.

Affected Systems and Versions

Windows 10 Version 1809, 1909, 21H1, 2004, 20H2, 11, and more
Windows Server 2019, 2022, 2016
Affected platforms include x64, ARM64, and 32-bit systems.

Exploitation Mechanism

Attackers can exploit this vulnerability to gain elevated privileges on vulnerable systems, potentially leading to further system compromise.

Mitigation and Prevention

Steps to protect systems from CVE-2021-42280.

Immediate Steps to Take

Apply security updates provided by Microsoft promptly.
Monitor system logs for any unusual activities indicating potential exploitation.
Implement the principle of least privilege to restrict user access.

Long-Term Security Practices

Regularly update and patch Windows systems to address security vulnerabilities.
Conduct security training for users to recognize and report suspicious activities.

Patching and Updates

Install the latest security patches released by Microsoft to address the vulnerability.