CVE-2007-3040

Microsoft Windows 2000 - Stack-Based Buffer Overflow in Agent.Control ActiveX Control

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2007-3040. PoCs published by Yamata Li.

AI-analyzed exploit summary This exploit leverages a stack-based buffer overflow in Microsoft Agent (agentsvr.exe) via an ActiveX control. The PoC uses JavaScript to trigger the vulnerability by loading a character and executing arbitrary commands, potentially leading to remote code execution.

Description

Stack-based buffer overflow in agentdpv.dll 2.0.0.3425 in Microsoft Agent on Windows 2000 SP4 allows remote attackers to execute arbitrary code via a crafted URL to the Agent (Agent.Control) ActiveX control, which triggers an overflow within the Agent Service (agentsrv.exe) process, a different issue than CVE-2007-1205.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Yamata Li · htmlremotewindows
https://www.exploit-db.com/exploits/30567

This exploit leverages a stack-based buffer overflow in Microsoft Agent (agentsvr.exe) via an ActiveX control. The PoC uses JavaScript to trigger the vulnerability by loading a character and executing arbitrary commands, potentially leading to remote code execution.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Agent (agentsvr.exe)
No auth needed
Prerequisites: Victim must have Microsoft Agent installed and ActiveX enabled in a vulnerable browser
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (13)

Core 13
Core References
Third Party Advisory third-party-advisory x_refsource_idefense
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=592
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/25566
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/3124
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/35752
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2116
Patch, Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/26753
US Government Resource third-party-advisory x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA07-254A.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1018677
Vendor Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2007/3113
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/36934
US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/716872
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/479096/100/0/threaded

Scores

EPSS 0.5722
EPSS Percentile 98.9%

Details

CWE
CWE-119
Status published
Products (1)
microsoft/windows_2000
Published Sep 12, 2007
Tracked Since Feb 18, 2026