Microsoft ha rilasciate delle nuove patches per i propri sistemi operativi Windows :

Microsoft Security Bulletin MS03-041 Vulnerability in Authenticode Verification Could Allow Remote Code Execution (823182)

A security issue has been identified that could allow an attacker to remotely compromise a computer running Microsoft Windows and gain complete control over it. For example, an attacker could execute code on your system. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer.

Patch per Windows XP [428 Kb]


Patch per Windows 2000 SP 3 e 4 [363 Kb]


Patch per Windows 2003 [450 Kb]


Patch per Windows NT4 Workstation [265 Kb]

Microsoft Security Bulletin MS03-042 Buffer Overflow in Windows Troubleshooter ActiveX Control Could Allow Code Execution (826232)

A security issue has been identified that could allow an attacker to read files or run programs on a computer, running Microsoft® Windows® 2000, that has been used to view an attacker's Web site or has read a specially crafted HTML e-mail. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer.

Patch per Windows 2000 SP 3 e 4 [322 Kb]

Microsoft Security Bulletin MS03-043 Buffer Overrun in Messenger Service Could Allow Code Execution (828035)

A security issue has been identified that could allow an attacker to remotely compromise a computer running Microsoft Windows 2000/XP/2003/NT4 and gain complete control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer.

Patch per Windows XP [361 Kb]


Patch per Windows 2000 SP 3 e 4 [346 Kb]


Patch per Windows 2003 [400 Kb]


Patch per Windows NT4 Workstation [481 Kb]

Microsoft Security Bulletin MS03-044 Buffer Overrun in Windows Help and Support Center Could Lead to System Compromise (825119)

A security issue has been identified that could allow an attacker to remotely compromise a computer running Microsoft® Windows® 2000/XP/2003/ME/NT4 and gain complete control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer.

Patch per Windows ME [219 Kb]

Patch per Windows XP [302 Kb]


Patch per Windows 2000 SP 3 e 4 [308 Kb]


Patch per Windows 2003 [331 Kb]


Patch per Windows NT4 Workstation [180 Kb]

Microsoft Security Bulletin MS03-045 Buffer Overrun in the ListBox and in the ComboBox Control Could Allow Code Execution (824141)

A security issue has been identified that could allow an attacker to compromise a computer running Microsoft Windows and gain control over it. To attempt an attack, the attacker would have to be able to log on to the computer. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer.

Patch per Windows XP [2667 Kb]


Patch per Windows 2000 SP 3 e 4 [3166 Kb]


Patch per Windows 2003 [400 Kb]


Patch per Windows NT4 Workstation [1976 Kb]