What’s Vulnerable › Vulnerabilities

CVE-2018-8355

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 67.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-08-15 · updated 2026-06-17
• Weakness: CWE-787

Description

A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore, Internet Explorer 11, Microsoft Edge. This CVE ID is unique from CVE-2018-8353, CVE-2018-8359, CVE-2018-8371, CVE-2018-8372, CVE-2018-8373, CVE-2018-8385, CVE-2018-8389, CVE-2018-8390.

Affected products

• Microsoft ChakraCore: all versions
• Microsoft Edge: all versions
• Microsoft Internet Explorer 11: 11

References

• http://www.securityfocus.com/bid/104978
• http://www.securitytracker.com/id/1041457
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8355
• https://www.exploit-db.com/exploits/45432/
• http://www.securityfocus.com/bid/104978
• http://www.securitytracker.com/id/1041457
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8355
• https://www.exploit-db.com/exploits/45432/

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