CVE-2019-1110 : What You Need to Know

A vulnerability in Microsoft Excel software allows remote code execution due to improper memory object handling. This CVE is distinct from CVE-2019-1111.

Understanding CVE-2019-1110

What is CVE-2019-1110?

This vulnerability in Microsoft Excel enables remote code execution when the software fails to manage objects in memory correctly. It is also referred to as the 'Microsoft Excel Remote Code Execution Vulnerability'.

The Impact of CVE-2019-1110

The vulnerability poses a significant risk as it allows attackers to execute remote code on affected systems, potentially leading to unauthorized access, data theft, and system compromise.

Technical Details of CVE-2019-1110

Vulnerability Description

Vulnerability Type: Remote Code Execution
Affected Software: Microsoft Excel

Affected Systems and Versions

The following products and versions are affected:

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

Exploitation Mechanism

The vulnerability is exploited by crafting a malicious Excel file and convincing a user to open it, triggering the execution of arbitrary code on the system.

Mitigation and Prevention

Immediate Steps to Take

Apply security updates provided by Microsoft promptly.
Exercise caution when opening Excel files from untrusted sources.
Implement security best practices to reduce the risk of exploitation.

Long-Term Security Practices

Regularly update software and security patches.
Conduct security awareness training for users to recognize phishing attempts.

Patching and Updates

Microsoft has released patches to address this vulnerability. Ensure all affected systems are updated with the latest security updates.