CVE-2018-0840

HIGH

Microsoft Internet Explorer - Out-of-Bounds Write

Title source: rule

Description

Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, and Internet Explorer and Microsoft Edge in Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows remote code execution, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0834, CVE-2018-0835, CVE-2018-0836, CVE-2018-0837, CVE-2018-0838, CVE-2018-0856, CVE-2018-0857, CVE-2018-0858, CVE-2018-0859, CVE-2018-0860, CVE-2018-0861, and CVE-2018-0866.

Exploits (1)

exploitdb WORKING POC VERIFIED

by Google Security Research · javascriptdoswindows

https://www.exploit-db.com/exploits/44077

View Code ZIP pw:eip

References (5)

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/102886

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1040369

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1040372

[Patch, Vendor Advisory] https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0840

[Exploit, Third Party Advisory, VDB Entry] https://www.exploit-db.com/exploits/44077/

Scores

CVSS v3 7.5

EPSS 0.7974

EPSS Percentile 99.1%

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/edge

microsoft/internet_explorer 11

microsoft/internet_explorer 10

Published Feb 15, 2018

Tracked Since Feb 18, 2026