CVE-2018-8391

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 11.3% 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 ChakraCore. This CVE ID is unique from CVE-2018-8354, CVE-2018-8456, CVE-2018-8457, CVE-2018-8459.

Affected products

Microsoft ChakraCore: all versions
Microsoft ChakraCore: ChakraCore

References

http://www.securityfocus.com/bid/105231
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8391
http://www.securityfocus.com/bid/105231
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8391

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