CVE-2009-2494

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…

Critical · published August 12, 2009

CVSS v3.1
9.8
EPSS
42%
Percentile
98.7
In the wild
Unconfirmed
What it is

🚨 An ATL Object Type Mismatch could let an attacker execute arbitrary code remotely! Imagine your computer accepting a harmful package without a return label! 🔥 It's like a restaurant that prepares orders for customers without checking the ingredients—one mistaken order can lead to a kitchen disaster! In this case, the server mismanages data and allows unauthorized actions through erroneous free operations. An attacker could exploit this vulnerability to run malicious code on your system, potentially leading to unauthorized access, data theft, or even total system compromise—absolutely devastating! This is not just a minor inconvenience; it opens the door for chaos and exploitation.

Put simply

It's like a restaurant that prepares orders for customers without checking the ingredients—one mistaken order can lead to a kitchen disaster! In this case, the server mismanages data and allows unauthorized actions through erroneous free operations. The ATL Object Type Mismatch Vulnerability allows attackers to execute arbitrary code due to improper handling of objects in memory, particularly when reading variants from a stream and subsequently deleting them.

What to do

An attacker could exploit this vulnerability to run malicious code on your system, potentially leading to unauthorized access, data theft, or even total system compromise—absolutely devastating! This is not just a minor inconvenience; it opens the door for chaos and exploitation. To protect your systems, ensure all affected versions of Microsoft Windows are updated and patched to the latest available versions. Make sure to disable any unnecessary services and monitor system activities for unusual behavior. Don’t take this lightly! You’ve got this! Follow these steps and lock down your systems like a true security hero! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.42329 · 98.7th percentile
Published
2009-08-12T17:00Z
EPSS history
Timeline
  • 12 AUG 17:00Z
    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…
    cvelistv5