CVE-2018-8503

moderate-risk
Published 2018-10-10

A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka "Chakra Scripting Engine Memory Corruption Vulnerability." This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-8505, CVE-2018-8510, CVE-2018-8511, CVE-2018-8513.

Do I need to act?

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28.8% chance of exploitation in next 30 days
EPSS score — higher than 71% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / HIGH complexity

Affected Products (2)

Affected Vendors

Microsoft

References (6)

Third Party Advisory http://www.securityfocus.com/bid/105464
Third Party Advisory http://www.securitytracker.com/id/1041825
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8503
Third Party Advisory http://www.securityfocus.com/bid/105464
Third Party Advisory http://www.securitytracker.com/id/1041825
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8503
44
/ 100
moderate-risk
Severity 22/34 · High
Exploitability 15/34 · Moderate
Exposure 7/34 · Low