CVE-2008-0120 is a vulnerability that was discovered in January 2008, affecting Microsoft Excel. It is a memory corruption issue that occurs when processing specially crafted Excel files, which could allow an attacker to execute arbitrary code on a victim's machine. This vulnerability can be triggered through a variety of methods, such as opening a malicious Excel document or visiting a website that contains an embedded Excel file.
Once the vulnerability was discovered, Microsoft released a security bulletin outlining the issue and providing a patch for affected versions of Excel. The vulnerability was rated as "Critical" due to the potential impact it could have on affected systems. Organizations were advised to apply the patch as soon as possible to reduce the risk of exploitation.
Despite the availability of the patch, there were reports of attacks targeting this vulnerability in the months following its discovery. Attackers were able to exploit the vulnerability to gain control of compromised systems and steal sensitive information. As a result, CVE-2008-0120 serves as a reminder of the importance of keeping systems up-to-date with the latest security patches in order to protect against known vulnerabilities.