CVE-2020-1219: Microsoft ChakraCore

High severity, CVSS 7.5. EPSS: 19.1% chance of exploitation in the next 30 days.

A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory, aka 'Microsoft Browser Memory Corruption Vulnerability'.

Affected products

  • Microsoft ChakraCore: before 1.11.20 (fixed in 1.11.20)
  • Microsoft Edge: affected versions not specified
  • Microsoft Internet Explorer: version 11 only

Published 2020-06-09. Last modified 2026-06-17.