CVE-2018-8311 is a vulnerability in Microsoft's JET Database Engine. It was discovered in May 2018 by TrendMicro researchers and assigned CVE-2018-8311. This vulnerability arises because of the way JET Database Engine handles objects in memory. An attacker can exploit this vulnerability by using specially crafted database files to execute arbitrary code on the victim's computer, which could lead to data theft or system compromise.
The vulnerability affects all versions of Jet Database Engine, including Windows 7, Windows Server 2008 R2, Windows 8.1, Windows Server 2012, Windows 10, and Windows Server 2016. The severity of the vulnerability is rated as critical, with a CVSS score of 8.8. Microsoft released a security update for this vulnerability on June 12, 2018, as part of its monthly Patch Tuesday updates.
CVE-2018-8311 is an example of the importance of prompt patching and updating of software. A delay in applying security patches could result in exploitation of vulnerabilities by attackers, leading to data breaches and system compromise. Organizations should have a robust patch management process in place that ensures timely application of security updates. Additionally, it highlights the need for regular vulnerability scanning and penetration testing to identify and remediate vulnerabilities before they can be exploited by attackers.