CVE-2018-8466

HIGH

Microsoft Edge - Memory Corruption

Title source: llm

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-2018-8467.

Exploits (1)

exploitdb WORKING POC VERIFIED

by Google Security Research · javascriptdoswindows

https://www.exploit-db.com/exploits/45571

View Code ZIP pw:eip

References (4)

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/105243

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1041623

[Patch, Vendor Advisory] https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8466

[Third Party Advisory, VDB Entry] https://www.exploit-db.com/exploits/45571/

Scores

CVSS v3 7.5

EPSS 0.7760

EPSS Percentile 99.0%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Classification

CWE

CWE-787

Status published

Affected Products (3)

microsoft/chakracore < 1.10.1

microsoft/edge

nuget/Microsoft.ChakraCore < 1.11.1NuGet

Timeline

Published Sep 13, 2018

Tracked Since Feb 18, 2026