CVE-2018-8453

CVE-2018-8453 is a Win32k Elevation of Privilege vulnerability affecting various Windows versions, including Windows 7, 8.1, 10, and their corresponding server editions. With a CVSS score of 7.8 (HIGH), this vulnerability allows an attacker to gain elevated privileges locally with low attack complexity, potentially leading to full compromise of confidentiality, integrity, and availability. This flaw is actively exploited in the wild, notably by Sodinokibi (REvil) and Ryuk ransomware campaigns, and has publicly available exploit modules in Metasploit. The high EPSS score, FAUCET Risk Score of 100, and extensive community discussion underscore its critical nature.