CVE-2009-2494

CRITICAL

Microsoft Windows ATL - Remote Code Execution via Variant Stream Handling

Title source: llm
STIX 2.1

Description

The Active Template Library (ATL) in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 allows remote attackers to execute arbitrary code via vectors related to erroneous free operations after reading a variant from a stream and deleting this variant, aka "ATL Object Type Mismatch Vulnerability."

References (9)

Core 9
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/56910
US Government Resource third-party-advisory x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA09-223A.html
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5708
Patch vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/35982
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/36187
Vendor Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2009/2232
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1022712

Scores

CVSS v3 9.8
EPSS 0.4233
EPSS Percentile 98.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-94
Status published
Products (5)
microsoft/windows_2000
microsoft/windows_server_2003
microsoft/windows_server_2008 (6 CPE variants)
microsoft/windows_vista (5 CPE variants)
microsoft/windows_xp (3 CPE variants)
Published Aug 12, 2009
Tracked Since Feb 18, 2026