CVE-2020-16909 : Exploit Details and Defense Strategies

Windows Error Reporting Elevation of Privilege Vulnerability was published on October 16, 2020, by Microsoft. The vulnerability affects various versions of Windows, potentially allowing attackers to elevate privileges.

Understanding CVE-2020-16909

This CVE identifies an elevation of privilege vulnerability in Windows Error Reporting (WER) that could be exploited by attackers to gain higher system access.

What is CVE-2020-16909?

An elevation of privilege vulnerability in Windows Error Reporting (WER) allows attackers to execute files, potentially leading to privilege escalation.

The Impact of CVE-2020-16909

Exploiting this vulnerability could grant attackers elevated access to sensitive data and system functions, posing a significant security risk.

Technical Details of CVE-2020-16909

This section provides technical insights into the vulnerability.

Vulnerability Description

The vulnerability in Windows Error Reporting (WER) arises from how it handles and executes files, enabling attackers to escalate privileges.

Affected Systems and Versions

Windows 10 Version 1803, 1809, 1909, 1507, 1607
Windows Server 2019, 2016
Windows 10 Version 1903 for various systems
Windows Server versions 1909, 2004

Exploitation Mechanism

To exploit the vulnerability, attackers can run a specially crafted application, taking advantage of how WER processes files.

Mitigation and Prevention

Protecting systems from CVE-2020-16909 is crucial to maintaining security.

Immediate Steps to Take

Apply the security update provided by Microsoft promptly.
Monitor for any unusual system behavior that could indicate exploitation.

Long-Term Security Practices

Regularly update systems with the latest security patches.
Implement robust security measures to prevent unauthorized access.

Patching and Updates

Ensure all affected systems are updated with the security patch released by Microsoft to address the vulnerability.