CVE-2018-0767

MEDIUM

ChakraCore < 1.7.6 - Out-of-bounds Read in Scripting Engine

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-0767. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit triggers a type confusion vulnerability in ChakraCore's JavaScript engine by manipulating sparse arrays, leading to memory corruption. The PoC demonstrates the issue by forcing the engine into an inconsistent state during array segment operations.

Description

Microsoft Edge in Microsoft Windows 10 1511, 1607, 1703, 1709, and Windows Server 2016 allows an attacker to obtain information to further compromise the user's system, due to how the scripting engine handles objects in memory, aka "Scripting Engine Information Disclosure Vulnerability". This CVE ID is unique from CVE-2018-0780 and CVE-2018-0800.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · javascriptdoswindows
https://www.exploit-db.com/exploits/43522

This exploit triggers a type confusion vulnerability in ChakraCore's JavaScript engine by manipulating sparse arrays, leading to memory corruption. The PoC demonstrates the issue by forcing the engine into an inconsistent state during array segment operations.

Classification
Working Poc 90%
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 vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1040100
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/102393
Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/43522/

Scores

CVSS v3 5.3
EPSS 0.6547
EPSS Percentile 99.2%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Details

CWE
CWE-125
Status published
Products (2)
microsoft/chakracore < 1.7.6
microsoft/edge
Published Jan 04, 2018
Tracked Since Feb 18, 2026