¿para que vale la actualizacion critica?

Critical Update for ADODB.stream (KB870669)
Tamanho do download: 104 KB, < 1 minuto
An issue has been identified that could allow an attacker to compromise
a computer running Windows 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.

Alberto used his keyboard to write :

¿para lo del gusano keylogger que se ha hablado estos dias?

¿es eso?

Saudações

Horacio Alfredo Comes