CVE-2014-1770

Microsoft Internet Explorer <11 - RCE

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2014-1770.

AI-analyzed exploit summary This HTML/JavaScript PoC demonstrates a use-after-free vulnerability in Internet Explorer 9/10 (CVE-2014-1770) by triggering a memory corruption in MSHTML!CInput::DoClick. The exploit manipulates the DOM to free a CFormElement object while still referencing it, leading to arbitrary memory writes.

Description

Use-after-free vulnerability in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code via crafted JavaScript code that interacts improperly with a CollectGarbage function call on a CMarkup object allocated by the CMarkup::CreateInitialMarkup function.

Exploits (1)

exploitdb WORKING POC
htmldoswindows_x86
https://www.exploit-db.com/exploits/34010

This HTML/JavaScript PoC demonstrates a use-after-free vulnerability in Internet Explorer 9/10 (CVE-2014-1770) by triggering a memory corruption in MSHTML!CInput::DoClick. The exploit manipulates the DOM to free a CFormElement object while still referencing it, leading to arbitrary memory writes.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Internet Explorer 9, 10
No auth needed
Prerequisites: Victim must visit a malicious webpage using vulnerable IE version
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (6)

Core 6
Core References
Mitigation, VDB Entry x_refsource_misc
http://zerodayinitiative.com/advisories/ZDI-14-140/
VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1030266
Third Party Advisory, US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/239151
VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/67544

Scores

EPSS 0.4374
EPSS Percentile 97.6%

Details

CWE
CWE-399
Status published
Products (6)
microsoft/internet_explorer 6
microsoft/internet_explorer 7
microsoft/internet_explorer 8
microsoft/internet_explorer 9
microsoft/internet_explorer 10
microsoft/internet_explorer 11
Published May 22, 2014
Tracked Since Feb 18, 2026