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CVE-2018-8373

Known Exploited (CISA KEV)HIGH

7.5

CVSS Severity Score

EPSS Score42.7210%

EPSS Percentile90.73th

PublishedAug 15, 2018

Last ModifiedOct 28, 2025

Vulnerability Description

A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka "Scripting Engine Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10. This CVE ID is unique from CVE-2018-8353, CVE-2018-8355, CVE-2018-8359, CVE-2018-8371, CVE-2018-8372, CVE-2018-8385, CVE-2018-8389, CVE-2018-8390.

Affected Platforms (CPE)

📦

Microsoft

Internet Explorer

= 11

📦

Microsoft

Internet Explorer

= 10

📦

Microsoft

Internet Explorer

= 9

References & Advisories

🔗 http://www.securityfocus.com/bid/105037

🔗 http://www.securitytracker.com/id/1041483

🔗 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8373

🔗 http://www.securityfocus.com/bid/105037

🔗 http://www.securitytracker.com/id/1041483

🔗 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8373

🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8373

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