⚠ Actively exploited
Added to CISA KEV on 2021-11-03. Federal agencies required to patch by 2022-05-03. Required action: Apply updates per vendor instructions..

CVE-2018-8653Out-of-bounds Write in Microsoft Internet Explorer 10

CWE-787Out-of-bounds Write14 documents9 sources
Severity
7.5HIGHNVD
EPSS
25.0%
top 3.83%
CISA KEV
KEV
Added 2021-11-03
Due 2022-05-03
Exploit
Exploited in wild
Active exploitation observed
Timeline
PublishedDec 20
KEV addedNov 3
KEV dueMay 3
Latest updateMay 13
CISA Required Action: Apply updates per vendor instructions.

Description

A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka "Scripting Engine Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10. This CVE ID is unique from CVE-2018-8643.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.6 | Impact: 5.9

Affected Packages4 packages

CVEListV5microsoft/internet_explorer_9Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2008 for x64-based Systems Service Pack 2+1
CVEListV5microsoft/internet_explorer_10Windows Server 2012
CVEListV5microsoft/internet_explorer_1124 versions+23

Patches

🔴Vulnerability Details

8
GHSA
GHSA-hxxf-h94r-73mv: A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka "Scripting Engin2022-05-13
Project0
Déjà vu-lnerability - Project Zero2021-02-01
Project0
Detection Deficit: A Year in Review of 0-days Used In-The-Wild in 2019 - Project Zero2020-07-01
CVEList
CVE-2018-8653: A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka "Scripting Engin2018-12-20
VulnCheck
Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability2018

📋Vendor Advisories

2
CISA
Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability2021-11-03
Microsoft
Scripting Engine Memory Corruption Vulnerability2018-12-11

🕵️Threat Intelligence

2
Krebs
Microsoft Issues Emergency Fix for IE Zero Day2018-12-19
Tenable
Microsoft Releases Out-of-Band Patch for Internet Explorer Remote Code Execution Vulnerability (CVE-2018-8653)2018-12-19
CVE-2018-8653 — Out-of-bounds Write in Microsoft | cvebase