CVE-2020-1240 : What You Need to Know

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'.

Understanding CVE-2020-1240

This CVE affects Microsoft 365 Apps for Enterprise for both 32-bit and 64-bit systems.

What is CVE-2020-1240?

This CVE refers to a remote code execution vulnerability in Microsoft Excel software.

The Impact of CVE-2020-1240

The vulnerability can allow an attacker to execute arbitrary code on a targeted system, potentially leading to unauthorized access or control.

Technical Details of CVE-2020-1240

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability exists due to improper handling of objects in memory within Microsoft Excel software.

Affected Systems and Versions

Microsoft 365 Apps for Enterprise for 32-bit Systems (unspecified version)
Microsoft 365 Apps for Enterprise for 64-bit Systems (unspecified version)

Exploitation Mechanism

The vulnerability can be exploited remotely by an attacker to run malicious code on the affected system.

Mitigation and Prevention

Below are steps to mitigate and prevent exploitation.

Immediate Steps to Take

Apply the necessary security updates provided by Microsoft.
Restrict user permissions to reduce the impact of a potential attack.

Long-Term Security Practices

Regularly update software and systems to address security vulnerabilities.
Educate users on identifying and avoiding phishing attempts or suspicious emails.

Patching and Updates

Ensure that all systems running Microsoft Excel are promptly updated with the latest security patches issued by Microsoft.