CVE-2019-1111 Explained : Impact and Mitigation

Microsoft Excel and Microsoft Office are affected by a remote code execution vulnerability that arises from improper memory object handling. This vulnerability is distinct from CVE-2019-1110.

Understanding CVE-2019-1111

This CVE concerns a critical vulnerability in Microsoft Excel and Microsoft Office that could allow remote code execution.

What is CVE-2019-1111?

The CVE-2019-1111 vulnerability in Microsoft Excel and Microsoft Office enables attackers to execute remote code due to incorrect memory object handling.

The Impact of CVE-2019-1111

The vulnerability poses a severe risk as attackers can exploit it to remotely execute malicious code on affected systems.

Technical Details of CVE-2019-1111

This section provides technical insights into the vulnerability.

Vulnerability Description

The vulnerability in Microsoft Excel and Microsoft Office allows remote code execution by manipulating memory objects.

Affected Systems and Versions

The following systems and versions are impacted:

Microsoft Excel: 2010 SP2, 2013 SP1, 2013 RT SP1, 2016
Microsoft Office: 2010 SP2, 2013 SP1, 2013 RT SP1, 2016, 2019
Office 365 ProPlus: 32-bit and 64-bit Systems

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious Excel file or Office document to trigger remote code execution.

Mitigation and Prevention

Protecting systems from CVE-2019-1111 is crucial to prevent exploitation.

Immediate Steps to Take

Apply security patches provided by Microsoft promptly.
Educate users on safe handling of Excel files and Office documents.
Implement network security measures to detect and block malicious activities.

Long-Term Security Practices

Regularly update software and security solutions.
Conduct security training for employees to enhance awareness.
Employ endpoint protection tools to detect and mitigate threats.

Patching and Updates

Ensure all affected systems are updated with the latest security patches released by Microsoft.