REvil / Sodinokibi and CVE-2018-8543 which affects remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka "Chakra Scripting Engine Memory Corruption Vulnerability." This affects Microsoft Edge, ChakraCore. [NIST] Sodinokibi, also known as REvil, is a sophisticated ransomware-as-a-service (RaaS) variant known for its devastating impact on targeted systems and widespread distribution. It poses a significant threat to cybersecurity, encrypting files on infected systems and demanding ransom payments from victims in exchange for decryption keys. [Cybersight]. MGM- Reference guest stays Jan1,25.