CVE-2022-21852 : Vulnerability Insights and Analysis

Windows DWM Core Library Elevation of Privilege Vulnerability is an elevation of privilege vulnerability affecting multiple versions of Windows including Windows 10, Windows Server, Windows 11, and more. This CVE was published on January 11, 2022, by Microsoft.

Understanding CVE-2022-21852

This section dives into the specifics of the vulnerability, its impact, technical details, and mitigation steps.

What is CVE-2022-21852?

CVE-2022-21852 describes an elevation of privilege vulnerability in the Windows DWM Core Library, impacting various Microsoft Windows operating systems.

The Impact of CVE-2022-21852

The vulnerability has a base severity of HIGH with a CVSS base score of 7.8. Attackers could exploit this flaw to elevate privileges on the affected systems.

Technical Details of CVE-2022-21852

Here, we discuss the vulnerability description, affected systems, and how exploitation can occur.

Vulnerability Description

The Windows DWM Core Library vulnerability allows threat actors to gain elevated privileges on vulnerable systems.

Affected Systems and Versions

Affected systems include Windows 10 Version 1809, Windows Server 2019, Windows 11 version 21H2, and other versions prior to specific build numbers.

Exploitation Mechanism

The exploit leverages the flaw in the DWM Core Library to escalate privileges on impacted systems.

Mitigation and Prevention

This section outlines immediate steps to take and long-term security measures to protect against CVE-2022-21852.

Immediate Steps to Take

Users are advised to apply security patches provided by Microsoft to address the vulnerability promptly.

Long-Term Security Practices

Implementing strong access controls, monitoring system logs, and staying updated on security advisories are critical for long-term security.

Patching and Updates

Regularly applying security updates and patches from Microsoft is crucial to protect systems from known vulnerabilities.