CVE-2020-0650 : What You Need to Know

A remote code execution vulnerability exists in Microsoft Excel software affecting multiple versions of Microsoft Office and Office 365 ProPlus.

Understanding CVE-2020-0650

What is CVE-2020-0650?

This CVE refers to a remote code execution vulnerability in Microsoft Excel due to improper handling of objects in memory.

The Impact of CVE-2020-0650

The vulnerability can allow an attacker to execute arbitrary code on the victim's system, posing a significant security risk.

Technical Details of CVE-2020-0650

Vulnerability Description

Microsoft Excel is susceptible to remote code execution when processing objects in memory improperly.

Affected Systems and Versions

Microsoft Office 2019 for 32-bit and 64-bit editions, 2019 for Mac, 2016 for Mac
Office 365 ProPlus on 32-bit and 64-bit systems
Microsoft Excel 2016 (32-bit and 64-bit editions), 2010 Service Pack 2 (32-bit and 64-bit editions), 2013 RT Service Pack 1, 2013 Service Pack 1 (32-bit and 64-bit editions)

Exploitation Mechanism

The vulnerability occurs when Excel fails to handle certain memory objects, allowing attackers to craft malicious files that exploit this flaw.

Mitigation and Prevention

Immediate Steps to Take

Apply relevant security patches provided by Microsoft for the affected software versions.
Consider implementing macro security controls and ensure macros are only enabled from trusted sources.

Long-Term Security Practices

Regularly update Microsoft Office and Office 365 applications to the latest versions.
Educate users on phishing awareness and safe browsing practices to mitigate the risk of executing malicious content.
Monitor network traffic for any suspicious activity that may indicate exploit attempts.

Patching and Updates

Ensure that all affected systems are promptly updated with the latest security patches provided by Microsoft.