What’s Vulnerable › Vulnerabilities

CVE-2017-8658

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 20.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-08-11 · updated 2026-06-17
• Weakness: CWE-119

Description

A remote code execution vulnerability exists in the way that the Chakra JavaScript engine renders when handling objects in memory, aka "Scripting Engine Memory Corruption Vulnerability".

Affected products

• Microsoft ChakraCore: through 1.7.0

References

• http://www.securityfocus.com/bid/100036
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8658
• http://www.securityfocus.com/bid/100036
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8658

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