CVE-2019-0945 : What You Need to Know

A vulnerability in the Microsoft Office Access Connectivity Engine allows for remote code execution due to improper handling of objects in memory.

Understanding CVE-2019-0945

What is CVE-2019-0945?

The CVE-2019-0945, also known as the 'Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability,' affects Microsoft Office and Office 365 ProPlus.

The Impact of CVE-2019-0945

This vulnerability can be exploited remotely, potentially leading to unauthorized access, data manipulation, or system compromise.

Technical Details of CVE-2019-0945

Vulnerability Description

The vulnerability arises from the improper handling of objects in memory within the Microsoft Office Access Connectivity Engine.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability allows attackers to execute remote code by exploiting the improper memory object handling in the Access Connectivity Engine.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by Microsoft promptly.
Consider restricting user permissions to minimize the impact of a potential exploit.
Implement network segmentation to isolate critical systems.

Long-Term Security Practices

Regularly update software and systems to ensure the latest security patches are in place.
Conduct security training for employees to raise awareness of phishing and social engineering tactics.

Patching and Updates

Ensure that all affected systems are updated with the latest patches released by Microsoft to address the vulnerability.