CVE-2014-4140

Microsoft Internet Explorer <11 - Auth Bypass

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2014-4140. PoCs published by day6reak.

AI-analyzed exploit summary This repository contains debug notes and windbg output related to CVE-2014-4140, a use-after-free vulnerability in MSHTML (Internet Explorer). The notes detail memory corruption and exception handling during exploitation analysis.

Description

Microsoft Internet Explorer 8 through 11 allows remote attackers to bypass the ASLR protection mechanism via a crafted web site, aka "Internet Explorer ASLR Bypass Vulnerability."

Exploits (1)

nomisec WRITEUP
by day6reak · poc
https://github.com/day6reak/CVE-2014-4140

This repository contains debug notes and windbg output related to CVE-2014-4140, a use-after-free vulnerability in MSHTML (Internet Explorer). The notes detail memory corruption and exception handling during exploitation analysis.

Classification
Writeup 90%
Attack Type
Rce
Complexity
Complex
Reliability
Theoretical
Target: Microsoft Internet Explorer (MSHTML)
No auth needed
Prerequisites: Victim must visit a malicious webpage
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/70325
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/60968
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1031018

Scores

EPSS 0.2068
EPSS Percentile 97.2%

Details

CWE
CWE-264
Status published
Products (4)
microsoft/internet_explorer 8
microsoft/internet_explorer 9
microsoft/internet_explorer 10
microsoft/internet_explorer 11
Published Oct 15, 2014
Tracked Since Feb 18, 2026