What’s Vulnerable › Vulnerabilities

CVE-2018-8456

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 14.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-09-13 · updated 2026-06-17
• Weakness: CWE-787

Description

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-2018-8457, CVE-2018-8459.

Affected products

• Microsoft ChakraCore: through 1.10.1
• Microsoft Edge: all versions
• Microsoft ChakraCore: ChakraCore
• 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

References

• http://www.securityfocus.com/bid/105227
• http://www.securitytracker.com/id/1041623
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8456
• http://www.securityfocus.com/bid/105227
• http://www.securitytracker.com/id/1041623
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8456

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