CVE-2020-1226 Explained : Impact and Mitigation

A remote code execution vulnerability exists in Microsoft Excel software leading to a CVE unique from CVE-2020-1225.

Understanding CVE-2020-1226

What is CVE-2020-1226?

A remote code execution vulnerability is present in Microsoft Excel, where the software fails to handle memory objects properly.

The Impact of CVE-2020-1226

The vulnerability can allow attackers to execute arbitrary code remotely, posing a significant security risk to affected systems.

Technical Details of CVE-2020-1226

Vulnerability Description

The vulnerability in Microsoft Excel can be exploited to execute malicious code remotely.

Affected Systems and Versions

Microsoft 365 Apps for Enterprise for 32-bit Systems
Microsoft 365 Apps for Enterprise for 64-bit Systems
Microsoft Office 2019 for 32-bit and 64-bit editions, 2019 for Mac, 2016 for Mac
Microsoft Excel 2016 (32-bit and 64-bit editions), 2010 Service Pack 2 for both 32-bit and 64-bit editions, 2013 RT Service Pack 1, 2013 Service Pack 1 for both 32-bit and 64-bit editions

Exploitation Mechanism

The flaw occurs due to improper handling of objects in memory, enabling attackers to craft malicious files and execute code remotely.

Mitigation and Prevention

Immediate Steps to Take

Apply patches or updates provided by Microsoft to address the vulnerability.
Employ security best practices to prevent the execution of malicious files.

Long-Term Security Practices

Regularly update software and enable automatic updates to ensure protection against known vulnerabilities.
Educate users on identifying and avoiding potentially harmful files or links.
Conduct regular security assessments and penetration testing to identify and address weaknesses.

Patching and Updates

Microsoft may release security patches or updates to fix the vulnerability in Microsoft Excel. Stay informed and apply these updates promptly.