Zero-Day Advisory

Fortinet Discovers Microsoft Access Database Engine 2007 Out-Of-Bounds Write Vulnerability


Fortinet's FortiGuard Labs has discovered an Out-Of-Bounds Write vulnerability in the Microsoft Access Database Engine 2007.

The Microsoft Access Database Engine 2007 is a database engine which can be installed on many Microsoft Windows operating systems.

The vulnerability in the Microsoft Access Database Engine 2007 could allow remote code execution on an affected system. An attacker who successfully exploited this vulnerability could take control of the victim system. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights. To exploit the vulnerability, an user must open a specially crafted file on Microsoft Windows with Access Database Engine 2007 installed.


FortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:

Released Feb 06, 2019

Since Microsoft no longer supports Microsoft Access Database Engine 2007, users should stop using it.


Fortinet reported the vulnerability to Microsoft on  January 30, 2019.

Microsoft replied "we no longer support this component" on February 5, 2019.


This vulnerability was discovered by Honggang Ren of Fortinet's FortiGuard Labs.

IPS Subscription

Fortinet customers who subscribe to Fortinet's intrusion prevention (IPS) service should be protected against this vulnerability with the appropriate configuration parameters in place. Fortinet's IPS service is one component of FortiGuard Subscription Services, which also offer comprehensive solutions such as antivirus, Web content filtering and antispam capabilities. These services enable protection against threats on both application and network layers. FortiGuard Services are continuously updated by FortiGuard Labs, which enables Fortinet to deliver a combination of multi-layered security intelligence and true zero-day protection from new and emerging threats. These updates are delivered to all FortiGate, FortiMail and FortiClient products. Fortinet strictly follows responsible disclosure guidelines to ensure optimum protection during a threat's lifecycle.