CVE-2021-40477 : Vulnerability Insights and Analysis

Windows Event Tracing Elevation of Privilege Vulnerability was published on October 13, 2021, with a base severity of HIGH and a CVSS base score of 7.8.

Understanding CVE-2021-40477

This CVE involves an Elevation of Privilege impact type that affects multiple versions of Microsoft Windows.

What is CVE-2021-40477?

CVE ID: CVE-2021-40477
Published Date: October 13, 2021
CVSS Base Score: 7.8 (HIGH)

This vulnerability is related to Windows Event Tracing and allows an attacker to elevate privileges on the system.

The Impact of CVE-2021-40477

This vulnerability has a HIGH base severity level, potentially leading to significant security risks on affected systems.

Technical Details of CVE-2021-40477

This section dives into the technical details of the vulnerability.

Vulnerability Description

The vulnerability exists in the Windows Event Tracing feature, enabling attackers to elevate privileges through malicious actions.

Affected Systems and Versions

Vendor: Microsoft
Affected Products: Windows 10, Windows Server, Windows 8.1, and more
Platforms: 32-bit, x64-based, and ARM64-based Systems

Exploitation Mechanism

Attackers exploit this vulnerability in Windows Event Tracing to gain unauthorized elevated privileges on the affected systems.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2021-40477.

Immediate Steps to Take

Apply security patches provided by Microsoft immediately.
Review and restrict user privileges to minimize the impact of potential attacks.

Long-Term Security Practices

Stay updated with security advisories from Microsoft.
Implement secure coding practices to prevent privilege escalation vulnerabilities.

Patching and Updates

Regularly check for and apply security updates and patches released by Microsoft to address CVE-2021-40477.