CVE-2018-8459: Microsoft ChakraCore

High severity, CVSS 7.5. EPSS: 14.6% chance of exploitation in the next 30 days.

A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-8354, CVE-2018-8391, CVE-2018-8456, CVE-2018-8457.

Affected products

• Microsoft ChakraCore: up to and including 1.10.1
• Microsoft Edge: affected versions not specified

Published 2018-09-13. Last modified 2026-06-17.