CVE-2020-16934 : Exploit Details and Defense Strategies
Learn about CVE-2020-16934, an elevation of privilege vulnerability in Microsoft Office Click-to-Run (C2R) AppVLP. Find out the impacted systems, exploitation method, and mitigation steps.
Microsoft Office Click-to-Run Elevation of Privilege Vulnerability was published on October 16, 2020, with a CVSS base score of 7.0.
Understanding CVE-2020-16934
An elevation of privilege vulnerability in Microsoft Office Click-to-Run (C2R) AppVLP allows attackers to elevate privileges by exploiting how certain files are handled.
What is CVE-2020-16934?
- The vulnerability affects Microsoft Office Click-to-Run (C2R) components.
- Attackers can exploit the flaw by convincing users to open malicious files.
- A security update has been released to address this vulnerability.
The Impact of CVE-2020-16934
- Type: Elevation of Privilege
- Impact: High severity with a CVSS base score of 7.0
Technical Details of CVE-2020-16934
The vulnerability details and affected systems.
Vulnerability Description
- Microsoft Office Click-to-Run (C2R) AppVLP vulnerability
- Allows elevation of privilege through file handling
Affected Systems and Versions
- Microsoft Office 2013 Click-to-Run (C2R) versions less than 15.0.5571.1000
- Microsoft Office 2019
- Microsoft 365 Apps for Enterprise
Exploitation Mechanism
- Attackers exploit by convincing users to open crafted files
Mitigation and Prevention
Steps to mitigate and prevent the vulnerability.
Immediate Steps to Take
- Apply the security update provided by Microsoft
- Educate users on safe file handling practices
Long-Term Security Practices
- Regularly update Microsoft Office products
- Implement security awareness training for users
Patching and Updates
- Ensure all Microsoft Office products are up to date