Protecting Your Organization from CVE-2021-1647: A Guide with Vijilan Security and Microsoft Defender

Critical Microsoft Defender Vulnerability: CVE-2021-1647

Microsoft Defender, also known as Windows Defender, is a built-in antivirus software for Windows operating systems. It provides real-time protection against malware and other threats. However, a critical vulnerability, CVE-2021-1647, was recently discovered that could allow an attacker to take control of a victim’s computer. In this blog post, we’ll discuss this vulnerability and how Vijilan Security can help protect your organization.

What is CVE-2021-1647?

CVE-2021-1647 is a vulnerability in Microsoft Defender that allows an attacker to remotely execute code on a victim’s computer. The vulnerability is caused by the way Microsoft Defender scans files. An attacker could create a specially crafted file that would trigger a buffer overflow, which would allow them to execute arbitrary code.

The vulnerability affects Microsoft Defender versions 4.18.2007.8 and earlier, and Microsoft has released a security update to address the issue. It is critical that organizations using Microsoft Defender apply the security update as soon as possible to protect against this vulnerability.

How Vijilan Security Can Help

At Vijilan Security, we understand the importance of timely patching and keeping your security solutions up to date. Our team of experts can help your organization by:

1. Vulnerability Management: Our vulnerability management services can help your organization identify and prioritize vulnerabilities, including the critical vulnerability CVE-2021-1647, to ensure that they are promptly patched.
2. Patch Management: Our patch management services can help your organization apply the latest security updates and patches to your software, including Microsoft Defender.
3. Threat Detection and Response: In the event of a security incident, our threat detection and response services can help your organization quickly identify and respond to the threat, minimizing the impact on your business.

Conclusion

CVE-2021-1647 is a critical vulnerability in Microsoft Defender that could allow an attacker to take control of a victim’s computer. Microsoft has released a security update to address the issue, and it is critical that organizations apply the update as soon as possible. At Vijilan Security, we can help your organization stay protected against this and other vulnerabilities, providing vulnerability and patch management services, as well as threat detection and response capabilities. Contact us today to learn how we can help improve your organization’s security posture.