CVE-2018-8543: Microsoft ChakraCore

High severity, CVSS 7.5. EPSS: 14.2% chance of exploitation in the next 30 days.

A 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. This CVE ID is unique from CVE-2018-8541, CVE-2018-8542, CVE-2018-8551, CVE-2018-8555, CVE-2018-8556, CVE-2018-8557, CVE-2018-8588.

Affected products

• Microsoft ChakraCore: affected versions not specified
• Microsoft Edge: affected versions not specified

Published 2018-11-14. Last modified 2026-06-17.