What’s Vulnerable › Vulnerabilities

CVE-2019-0649

• Severity: high (CVSS 8.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-03-06 · updated 2026-06-17

Description

A vulnerability exists in Microsoft Chakra JIT server, aka 'Scripting Engine Elevation of Privileged Vulnerability'.

Affected products

• Microsoft ChakraCore: before 1.11.6 — fixed in 1.11.6
• Microsoft Edge: all versions
• Microsoft ChakraCore: all versions
• Microsoft Edge: Windows 10 Version 1703 for 32-bit Systems, Windows 10 Version 1703 for x64-based Systems, Windows 10 Version 1709 for 32-bit Systems, Windows 10 Version 1709 for x64-based Systems, Windows 10 Version 1803 for 32-bit Systems, Windows 10 Version 1803 for x64-based Systems (+6)

How to fix

Upgrade to a fixed version: Microsoft ChakraCore 1.11.6. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/106877
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0649
• http://www.securityfocus.com/bid/106877
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0649

Get alerted when CVE-2019-0649 or the next vulnerability affects your stack