CVE-2007-1749

Internet Explorer 5.01, 6, and 7 - Remote Code Execution via VML Integer Underflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2007-1749. PoCs published by Ben Nagy & Derek Soeder.

AI-analyzed exploit summary This is a vulnerability writeup describing a buffer overflow in Microsoft Internet Explorer when rendering VML graphics. The issue can be triggered by a malicious HTML document referencing a compressed image file, potentially leading to remote code execution.

Description

Integer underflow in the CDownloadSink class code in the Vector Markup Language (VML) component (VGX.DLL), as used in Internet Explorer 5.01, 6, and 7 allows remote attackers to execute arbitrary code via compressed content with an invalid buffer size, which triggers a heap-based buffer overflow.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Ben Nagy & Derek Soeder · htmldoswindows
https://www.exploit-db.com/exploits/30494

This is a vulnerability writeup describing a buffer overflow in Microsoft Internet Explorer when rendering VML graphics. The issue can be triggered by a malicious HTML document referencing a compressed image file, potentially leading to remote code execution.

Classification
Writeup 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Theoretical
Target: Microsoft Internet Explorer (versions affected by CVE-2007-1749)
No auth needed
Prerequisites: User interaction required to visit a malicious webpage
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (11)

Core 11
Core References
Patch vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/25310
Patch, Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/26409
US Government Resource third-party-advisory x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA07-226A.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1018568
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1784
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2007/2874
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/3020
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/476498/100/0/threaded
US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/468800

Scores

EPSS 0.4155
EPSS Percentile 98.5%

Details

Status published
Products (3)
microsoft/internet_explorer 5.01
microsoft/internet_explorer 6
microsoft/internet_explorer 7
Published Aug 14, 2007
Tracked Since Feb 18, 2026