CVE-2019-1140

CVE-2019-1140 is a remote code execution vulnerability in the Chakra scripting engine affecting Microsoft Edge (HTML-based) on Windows 10, Server 2016, and Server 2019. It allows an attacker to execute arbitrary code with the same privileges as the current user by corrupting memory when handling objects. The vulnerability has a CVSS score of 8.8 (High), indicating a network-based attack with low complexity, requiring user interaction (e.g., visiting a malicious website), and leading to high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation, public exploit code, or inclusion in CISA's KEV catalog, it has received some community discussion and media coverage.