CVE-2018-8467

HIGH

ChakraCore - Remote Code Execution via Memory Corruption

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-8467. PoCs published by Google Security Research.

AI-analyzed exploit summary This PoC exploits a type confusion vulnerability in ChakraCore (CVE-2018-8467) by manipulating array types to trigger incorrect object type handling, leading to potential memory corruption. The exploit leverages JIT optimization to achieve type confusion between native arrays and objects.

Description

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-2018-8367, CVE-2018-8465, CVE-2018-8466.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · javascriptdoswindows
https://www.exploit-db.com/exploits/45572

This PoC exploits a type confusion vulnerability in ChakraCore (CVE-2018-8467) by manipulating array types to trigger incorrect object type handling, leading to potential memory corruption. The exploit leverages JIT optimization to achieve type confusion between native arrays and objects.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Microsoft ChakraCore (Edge/IE JavaScript engine)
No auth needed
Prerequisites: Target must execute the JavaScript code in a vulnerable ChakraCore environment
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/45572/
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1041623
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/105244

Scores

CVSS v3 7.5
EPSS 0.8509
EPSS Percentile 99.4%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (3)
microsoft/chakracore
microsoft/edge
nuget/Microsoft.ChakraCore 0 - 1.11.1NuGet
Published Sep 13, 2018
Tracked Since Feb 18, 2026