CVE-2018-8353

CVE-2018-8353 is a remote code execution vulnerability in the scripting engine of Internet Explorer, specifically affecting versions 9, 10, and 11, across various Windows operating systems. This high-severity flaw (CVSS 7.5) can be exploited remotely with high attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability if a user visits a malicious website. While not listed on the KEV catalog, public exploit code for a JScript RegExp.lastIndex Use-After-Free vulnerability exists, and the CVE has garnered significant community discussion and media coverage, indicating a notable level of awareness.