CVE-2018-8283

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 15.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-07-11 · 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-2018-8242, CVE-2018-8287, CVE-2018-8288, CVE-2018-8291, CVE-2018-8296, CVE-2018-8298.

Affected products

Microsoft ChakraCore: before 1.10.1 — fixed in 1.10.1
Microsoft ChakraCore: ChakraCore

How to fix

Upgrade to a fixed version: Microsoft ChakraCore 1.10.1. Check the vendor advisory for mitigations.

References

http://www.securityfocus.com/bid/104633
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8283
http://www.securityfocus.com/bid/104633
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8283

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