CVE-2017-11935 : What You Need to Know

A vulnerability in Microsoft Office 2016 Click-to-Run (C2R) allows remote code execution, known as the 'Microsoft Excel Remote Code Execution Vulnerability'.

Understanding CVE-2017-11935

What is CVE-2017-11935?

This CVE identifies a vulnerability in Microsoft Office 2016 Click-to-Run (C2R) that enables the remote execution of malicious code due to file management issues in computer memory.

The Impact of CVE-2017-11935

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

Technical Details of CVE-2017-11935

Vulnerability Description

The vulnerability in Microsoft Office 2016 Click-to-Run (C2R) arises from the mishandling of files in memory, creating an opportunity for remote code execution.

Affected Systems and Versions

Product: Microsoft Office
Vendor: Microsoft Corporation
Affected Version: Microsoft Office 2016 Click-to-Run (C2R)

Exploitation Mechanism

The vulnerability can be exploited remotely by an attacker to execute arbitrary code on the target system, potentially leading to a complete compromise of the affected system.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by Microsoft to address the vulnerability promptly.
Consider disabling macros in Microsoft Office applications to reduce the attack surface.
Implement network segmentation and access controls to limit the impact of potential attacks.

Long-Term Security Practices

Regularly update Microsoft Office and other software to ensure the latest security fixes are in place.
Educate users about safe computing practices, such as avoiding opening suspicious email attachments.

Patching and Updates

It is crucial to regularly check for and apply security updates and patches released by Microsoft to mitigate the risk of exploitation.