CVE-2014-1771

Microsoft Internet Explorer 6-11 - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2014-1771.

AI-analyzed exploit summary This is a functional proof-of-concept for CVE-2014-1771, demonstrating a use-after-free vulnerability in Internet Explorer's MSHTML!CInput::DoClick function. The exploit triggers memory corruption by freeing a CFormElement object and then writing to its freed memory.

Description

SChannel in Microsoft Internet Explorer 6 through 11 does not ensure that a server's X.509 certificate is the same during renegotiation as it was before renegotiation, which allows man-in-the-middle attackers to obtain sensitive information or modify TLS session data via a "triple handshake attack," aka "TLS Server Certificate Renegotiation Vulnerability."

Exploits (1)

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

This is a functional proof-of-concept for CVE-2014-1771, demonstrating a use-after-free vulnerability in Internet Explorer's MSHTML!CInput::DoClick function. The exploit triggers memory corruption by freeing a CFormElement object and then writing to its freed memory.

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 Internet Explorer 9 or 10
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1030370
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/67861
Various Sources x_refsource_misc
https://secure-resumption.com/

Scores

EPSS 0.1342
EPSS Percentile 94.4%

Details

CWE
CWE-310
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 Jun 11, 2014
Tracked Since Feb 18, 2026