Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2018-8631 — Out-of-bounds Write in Microsoft Internet Explorer 10

CWE-787 — Out-of-bounds Write5 documents5 sources
Severity
7.5HIGHNVD
EPSS
80.0%
top 0.89%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
4
Microsoft Internet Explorer 10Microsoft Internet Explorer 11Microsoft Internet Explorer 9+1 more
Timeline
PublishedDec 12
Latest updateMay 13

Description

A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka "Internet Explorer Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10.

CVSS vector

CVSS:3.0/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

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-9mgp-pmwj-v879: A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka "Internet Explorer Memory Corruption Vu↗2022-05-13
▶
CVEList
CVE-2018-8631: A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka "Internet Explorer Memory Corruption Vu↗2018-12-12
▶

💥Exploits & PoCs

1
Exploit-DB
Microsoft Windows - 'jscript!JsArrayFunctionHeapSort' Out-of-Bounds Write↗2018-12-18
▶

📋Vendor Advisories

1
Microsoft
Internet Explorer Memory Corruption Vulnerability↗2018-12-11
▶
CVE-2018-8631 — Out-of-bounds Write in Microsoft | cvebase