CVE-2018-8291: Microsoft ChakraCore

High severity, CVSS 7.5. EPSS: 69.2% chance of exploitation in the next 30 days.

A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore, Internet Explorer 11, Microsoft Edge. This CVE ID is unique from CVE-2018-8242, CVE-2018-8283, CVE-2018-8287, CVE-2018-8288, CVE-2018-8296, CVE-2018-8298.

Affected products

• Microsoft ChakraCore: before 1.10.1 (fixed in 1.10.1)
• Microsoft Edge: affected versions not specified
• Microsoft Internet Explorer: version 11 only

Published 2018-07-11. Last modified 2026-06-17.