CVE-2018-8291

HIGH

Microsoft Browsers - Memory Corruption

Title source: llm

Description

A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore, Internet Explorer 11, Microsoft Edge. This CVE ID is unique from CVE-2018-8242, CVE-2018-8283, CVE-2018-8287, CVE-2018-8288, CVE-2018-8296, CVE-2018-8298.

Exploits (1)

exploitdb WORKING POC VERIFIED

by Google Security Research · javascriptdoswindows

https://www.exploit-db.com/exploits/45215

View Code ZIP pw:eip

References (5)

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/104637

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1041256

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1041258

[Patch, Vendor Advisory] https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8291

[Exploit, Third Party Advisory, VDB Entry] https://www.exploit-db.com/exploits/45215/

Scores

CVSS v3 7.5

EPSS 0.8328

EPSS Percentile 99.3%

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-843

Status published

Affected Products (4)

microsoft/internet_explorer

microsoft/edge

microsoft/chakracore < 1.10.1

nuget/Microsoft.ChakraCore < 1.10.1NuGet

Timeline

Published Jul 11, 2018

Tracked Since Feb 18, 2026