CVE-2021-26872 : Vulnerability Insights and Analysis

Windows Event Tracing Elevation of Privilege Vulnerability was discovered on March 9, 2021, by Microsoft. The vulnerability has a base severity of HIGH (CVSS score: 7.8).

Understanding CVE-2021-26872

This section will cover what CVE-2021-26872 is, the impact it poses, technical details, and mitigation strategies.

What is CVE-2021-26872?

CVE-2021-26872 is a Windows Event Tracing Elevation of Privilege Vulnerability identified in Microsoft products, allowing malicious actors to escalate privileges.

The Impact of CVE-2021-26872

The impact of this vulnerability is rated as HIGH due to its potential for privilege escalation, resulting in unauthorized access and control over affected systems.

Technical Details of CVE-2021-26872

The following technical aspects of the CVE will be explored in this section.

Vulnerability Description

The vulnerability enables attackers to elevate privileges through Windows Event Tracing, exploiting affected Microsoft products.

Affected Systems and Versions

Microsoft Windows 10 versions 1803 to 20H2, Windows Server versions, and older platforms like Windows 7 and 8.1 are affected by this vulnerability.

Exploitation Mechanism

The exploit leverages weaknesses in Windows Event Tracing, allowing threat actors to gain escalated privileges on compromised systems.

Mitigation and Prevention

To safeguard systems from CVE-2021-26872, immediate action and long-term security practices are recommended.

Immediate Steps to Take

Users should apply the necessary security updates provided by Microsoft promptly to mitigate the risk of exploitation.

Long-Term Security Practices

Implementing robust security measures, monitoring system activity, and restricting user privileges can enhance long-term security against privilege escalation vulnerabilities.

Patching and Updates

Regularly update systems with the latest security patches and follow Microsoft's security advisories to stay protected against emerging threats.