> exploitable, but only for those who added IIS If I recall correctly, SQL Slammer also targeted a server component, but the vulnerable component was also pres

> exploitable, but only for those who added IIS If I recall correctly, SQL Slammer also targeted a server component, but the vulnerable component was also present on some desktop systems, which were then affected. It wouldn't surprise me if for instance some printer driver listening on a high port also uses the schannel component, and is thus vulnerable.